The best free SEO tools, by use case

Google Search Console

Free

Google's own data on your site: queries, clicks, impressions, average position, indexing status and sitemaps.

Best for

Finding pages that already get impressions but few clicks. That's where our biggest wins came from.

Watch out for

Data lags by a couple of days, and some rare queries are hidden for privacy.

Bing Webmaster Tools

Free

Bing's equivalent of Search Console: search performance, indexing and site scans.

Best for

Covering the second major search engine; it can import your Search Console setup.

Watch out for

Smaller data volumes than Google for most sites.

PageSpeed Insights

Free

Core Web Vitals from real Chrome users where available, plus a Lighthouse lab test.

Best for

Checking a page's speed and Core Web Vitals.

Watch out for

Lab scores vary run to run; focus on the field data.

Rich Results Test

Free

Google's test for which rich results a page's structured data can produce.

Best for

Confirming FAQ, product, article or breadcrumb markup is read correctly.

Watch out for

It only reports Google-supported rich result types.

Schema Markup Validator

Free

Validates any schema.org markup, not only types Google supports.

Best for

Debugging structured data beyond Google's rich results.

Watch out for

Valid markup doesn't guarantee a rich result.

Google Trends

Free

Relative search interest over time and by region.

Best for

Comparing topics and spotting seasonality.

Watch out for

Shows relative interest, not search volume.

AI crawler checker

Ours

Free, no sign-up

Enter a domain. We read its robots.txt and tell you which AI and search crawlers can reach your homepage (or any path you enter).

Best for

Check if GPTBot, ClaudeBot, PerplexityBot, Google-Extended and 11 more crawlers can reach your site, read straight from your robots.txt.

Watch out for

Checks one URL at a time.

Meta tag checker

Ours

Free, no sign-up

Paste a URL. We fetch the page like a crawler and read its meta tags: title, description, canonical, robots, Open Graph and Twitter card, with what's missing or wrong.

Best for

Check a page's meta tags: title, meta description, canonical, robots meta, Open Graph, Twitter card and hreflang. A one-line fix for each missing tag.

Watch out for

Checks one URL at a time.

SERP preview

Ours

Free, no sign-up

Type a title, URL and meta description. See roughly how Google will show them, how long each is in characters and pixels, and where they get cut off.

Best for

Preview your title and meta description in Google on desktop and mobile. Check their length in characters and pixels, and see where each gets cut off.

Watch out for

Runs in your browser; nothing is saved.

robots.txt generator

Ours

Free, no sign-up

Pick a preset or choose bot by bot. Add the paths you want kept out and your sitemap. Copy or download the file.

Best for

Generate a robots.txt that blocks AI training crawlers but keeps AI search bots, or blocks every AI bot. Add paths and a sitemap, then copy it.

Watch out for

Runs in your browser; nothing is saved.

llms.txt generator

Ours

Free, no sign-up

Fill in your site name, a one-line summary and the pages that matter. We write a spec-conformant llms.txt you can drop at your site root.

Best for

Build an llms.txt file that follows the llmstxt.org format: name, summary and sections of links. Copy or download it, plus an honest look at what it does.

Watch out for

Runs in your browser; nothing is saved.

FAQ schema generator

Ours

Free, no sign-up

Add your questions and answers. Get valid FAQPage JSON-LD, ready to paste into the page that shows those answers.

Best for

Turn questions and answers into valid FAQPage JSON-LD. Copy the script tag into your page. Includes what Google does with FAQ markup today.

Watch out for

Runs in your browser; nothing is saved.

Open Graph checker

Ours

Free, no sign-up

Paste a URL. See how the link previews when it's shared, and which og: and twitter: tags are missing or broken.

Best for

Check a page's og: and twitter: tags, see large card, small card and chat previews, and test the share image's size, format and dimensions.

Watch out for

Checks one URL at a time.

Heading checker

Ours

Free, no sign-up

Enter a URL. We check its H1 and list every H1–H6 in the page's HTML as an indented outline, and flag the problems.

Best for

Free H1 tag checker: see a page's H1–H6 outline and catch missing or multiple H1s, skipped levels, empty headings and headings that are really paragraphs.

Watch out for

Checks one URL at a time.

Sitemap checker

Ours

Free, no sign-up

Enter a domain or a sitemap URL. We find the sitemap, follow its index and check what's inside, then count URLs per file and break them down by section, date, changefreq and priority.

Best for

Find a site's sitemap via robots.txt, check lastmod, host mix and limits, count URLs per file and break them down by section, month and changefreq.

Watch out for

Checks one URL at a time.

Redirect checker

Ours

Free, no sign-up

Enter a URL. We follow every redirect ourselves, up to 10 hops, and show each status code, destination and response time.

Best for

Follow a URL's redirects hop by hop with status codes and timings. Flags chains, loops, temporary 302s on permanent moves and http to https.

Watch out for

Checks one URL at a time.

AI title generator

Ours

Free, no sign-up

Enter a topic or keyword. Get eight title tag options that fit Google's desktop results, with character and pixel counts.

Best for

Generate 8 SEO title tags from a keyword, page type and audience. Each one is checked to fit 60 characters and about 600px in Google. Free.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI meta description generator

Ours

Free, no sign-up

Give us the page title and what the page offers. Get five meta descriptions, each 120–155 characters.

Best for

Generate 5 meta descriptions of 120–155 characters from your page title, what the page offers and a keyword. Free, no sign-up. Review before use.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI FAQ generator

Ours

Free, no sign-up

Describe the page. Get five questions readers actually ask, with short answers you can edit, plus FAQPage JSON-LD.

Best for

Turn a topic or page summary into 5 FAQ questions and answers, edit them, and copy valid FAQPage JSON-LD. Free, written by AI.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

UTM builder

Ours

Free, no sign-up

Paste a URL, pick a preset or fill in the fields, and copy a clean tagged link. Switch to bulk mode to tag a whole list.

Best for

UTM builder and bulk UTM generator: tag one link with presets, or paste a list and tag every URL at once. Flags case and space mistakes. Free.

Watch out for

Runs in your browser; nothing is saved.

Slug generator

Ours

Free, no sign-up

Type a title and get a short, lowercase, hyphenated slug. Accents are converted, and you can drop filler words or cap the length.

Best for

Slug generator: turn any title into a clean, short URL slug. No AI needed: lowercase, accents converted, stop words optional, max length, bulk mode.

Watch out for

Runs in your browser; nothing is saved.

Word counter

Ours

Free, no sign-up

Paste your text. You get counts, reading and speaking time at the speed you choose, a Flesch reading ease score and your longest sentences highlighted.

Best for

Count words, characters, sentences and paragraphs. See reading and speaking time at any words per minute, a Flesch readability score and long sentences.

Watch out for

Runs in your browser; nothing is saved.

Keyword density checker

Ours

Free, no sign-up

Paste your draft. See which words and phrases it leans on most, and how often your target keyword appears.

Best for

Paste text to see its most-used 1, 2 and 3-word phrases with counts and share. Check a target keyword. Spot stuffing and missing topics.

Watch out for

Runs in your browser; nothing is saved.

hreflang generator

Ours

Free, no sign-up

Add each language or regional version of a page. We check the codes and write the tags for your HTML head, sitemap or HTTP headers.

Best for

Build hreflang link tags, sitemap xhtml:link entries or HTTP headers for your language and region URLs, with x-default and ISO code checks.

Watch out for

Runs in your browser; nothing is saved.

Schema markup generator

Ours

Free, no sign-up

Pick a type, fill in the form, and copy JSON-LD you can paste into your page. Then test it in Google's Rich Results Test.

Best for

Generate JSON-LD for Organization, SoftwareApplication, Product, Article, BreadcrumbList and LocalBusiness. Fill a form, copy valid markup.

Watch out for

Runs in your browser; nothing is saved.

Open Graph generator

Ours

Free, no sign-up

Fill in your title, description and image. See a live preview of the share card and copy the og: and twitter: tags.

Best for

Generate og: and twitter: meta tags from a form, with a live link-preview card and image size guidance (1200×630). Copy and paste.

Watch out for

Runs in your browser; nothing is saved.

Canonical checker

Ours

Free, no sign-up

Paste a URL. We follow its redirects, read the canonical from the HTML and the HTTP Link header, and tell you if it points where you think.

Best for

Free canonical tag checker: paste a URL, see its canonical from the HTML and HTTP header, and catch http/https, www, slash and cross-domain conflicts.

Watch out for

Checks one URL at a time.

hreflang checker

Ours

Free, no sign-up

Enter a page with language or regional versions. We validate every hreflang value and fetch the alternates to check they link back.

Best for

Validate hreflang tags and Link headers: language and region codes, self-reference, x-default, absolute URLs, and return links on up to 5 alternates.

Watch out for

Checks one URL at a time.

Structured data validator

Ours

Free, no sign-up

Paste a URL. We pull out every JSON-LD block, flag broken JSON, and check each type against the properties Google's docs list as required.

Best for

Schema markup validator for JSON-LD: paste a URL, see every block, catch syntax errors, and check the properties Google requires for common rich results.

Watch out for

Checks one URL at a time.

Security headers checker

Ours

Free, no sign-up

Enter a URL. We read the response headers and grade the six that matter most, with a one-line fix for each gap.

Best for

Check HSTS, Content-Security-Policy, X-Content-Type-Options, frame protection, Referrer-Policy and Permissions-Policy, with a simple grade and fixes.

Watch out for

Checks one URL at a time.

Broken link checker

Ours

Free, no sign-up

Check one page, or scan up to 25 pages of your site from its sitemap. We list every 404, server error, timeout and redirect, and the pages that link to it.

Best for

Find broken links on one page or across up to 25 pages of your site: 404s, server errors, timeouts and redirects, with the pages that link to them.

Watch out for

Checks one URL at a time.

Image alt text checker

Ours

Free, no sign-up

Enter a URL. We list every <img> on the page and flag missing or weak alt text, missing dimensions and lazy-loading mistakes.

Best for

Free alt text checker: list every image on a page with missing, empty or over-long alt text, filename alts, missing sizes and lazy-loading mistakes.

Watch out for

Checks one URL at a time.

Internal link checker

Ours

Free, no sign-up

Check one page's links and anchor text, or scan up to 50 pages of your site to see how they link to each other: inbound counts, orphan candidates, anchors.

Best for

See a page's internal links and anchor text, or scan up to 50 pages of your site for inbound link counts, orphan candidates and nofollow links. Free.

Watch out for

Checks one URL at a time.

llms.txt validator

Ours

Free, no sign-up

Enter a domain. We fetch /llms.txt and /llms-full.txt, check the structure against the llmstxt.org format and test the links inside.

Best for

Validate a site's llms.txt against the llmstxt.org format: H1, blockquote summary, H2 link lists. Checks up to 20 links and looks for llms-full.txt.

Watch out for

Checks one URL at a time.

Domain age checker

Ours

Free, no sign-up

Enter a domain. We ask the registry's RDAP service for its registration and expiry dates, registrar, nameservers and status.

Best for

Look up when a domain was registered, when it expires, its registrar and nameservers, straight from the registry's RDAP record. Free.

Watch out for

Checks one URL at a time.

AI tagline generator

Ours

Free, no sign-up

Say what your product does and who it's for. Get ten taglines, each 60 characters or fewer, ready for a launch listing or your hero section.

Best for

Describe your product and audience, get 10 taglines of 60 characters or fewer for launch sites, directories and your homepage. Free, no sign-up.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI product description generator

Ours

Free, no sign-up

Fill in what your product does once. Get the three lengths directories ask for: one sentence, about 50 words and about 150 words.

Best for

Write a one-sentence, 50-word and 150-word description of your product for launch sites and directory listings, from one form. Free, review before use.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI launch post generator

Ours

Free, no sign-up

Pick the platform and a tone. Get a post title, the post and your first maker comment, written to each platform's norms. You edit, you post.

Best for

Draft a launch post and first maker comment for LaunchRanked, Product Hunt, Show HN, Indie Hackers or Reddit, in the tone you pick. No vote-begging.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI keyword clustering

Ours

Free, no sign-up

Paste a keyword list. We group keywords that mean the same thing, so you can plan one page per group instead of one page per phrase.

Best for

Free keyword clustering tool: paste up to 200 keywords, get them grouped by meaning with an embeddings model, each group named and exportable as a CSV.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI blog outline generator

Ours

Free, no sign-up

Give a keyword and what the searcher wants. Get an H2/H3 outline, questions to answer and where to add internal links.

Best for

Enter a keyword and search intent. Get a title, H2 and H3 outline, FAQ questions and internal link placeholders. Copy as Markdown. Free.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI alt text generator

Ours

Free, no sign-up

Pick an image. A vision model describes it and writes three alt text options, each 125 characters or fewer. The image isn't saved.

Best for

Upload an image and get 3 alt text options of 125 characters or fewer, written by a vision model. Nothing is stored. Review before you publish.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Launch week calendar

Ours

Free, no sign-up

Pick a week or a date. See the Monday-to-Sunday dates, the week id and a day-by-day launch checklist you can tick off and copy.

Best for

Find any ISO week's dates and LaunchRanked week id (like 2026-w39), then get a day-by-day launch checklist for that week. Copy it as Markdown.

Watch out for

Runs in your browser; nothing is saved.

Title case converter

Ours

Free, no sign-up

Paste one headline or a list. Pick AP, Chicago or sentence case and copy the result. Acronyms and names like iPhone are left alone.

Best for

Convert headlines to AP title case, Chicago title case or sentence case, with the rules explained. Keeps acronyms and brand names. Bulk, free.

Watch out for

Runs in your browser; nothing is saved.

AI press release generator

Ours

Free, no sign-up

Enter what you're launching and the facts that matter. Get a press release draft in the standard format, with placeholders for what only you know.

Best for

Draft a product launch press release: headline, dateline placeholder, body, a quote to approve and an About section. Free draft, no distribution.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

AI visibility checker

Ours

Free, no sign-up

Enter your site. We write 4 questions your buyers ask AI, put them to ChatGPT, Claude, Perplexity and Google Gemini with web search on, and show whether each one names you, links to you, or recommends someone else.

Best for

Free AI and LLM visibility checker: put 4 buyer questions to ChatGPT, Claude, Perplexity and Gemini and see if they name you, link to you or name rivals.

Watch out for

Checks one URL at a time.

GEO checker

Ours

Free, no sign-up

Enter a page. We check what AI search needs to fetch, read and quote it: crawler access, content without JavaScript, structure, llms.txt and a Markdown version.

Best for

Check if a page is easy for ChatGPT, Claude, Perplexity and Google's AI to fetch, read and cite: AI bot access, server HTML, llms.txt, schema. Free.

Watch out for

Checks one URL at a time.

Website SEO checker

Ours

Free, no sign-up

Enter a URL. We fetch it like a crawler and score it out of 100 on 16 on-page checks, with the points and a one-line fix for each.

Best for

Score any page out of 100 on 16 weighted on-page SEO checks: title, description, H1, canonical, indexability, schema, alt text, links, HTTPS and speed.

Watch out for

Checks one URL at a time.

SEO compare

Ours

Free, no sign-up

Enter your page and a competitor's. See both scored on the same on-page checklist, side by side, with the numbers behind each check.

Best for

Put your page next to a competitor's: the same 16 on-page SEO checks, word counts, links, schema, speed and Ahrefs Domain Rating when available.

Watch out for

Checks one URL at a time.

Dofollow link checker

Ours

Free, no sign-up

Enter a page URL. We list every link on it, marked dofollow, nofollow, ugc or sponsored, grouped by the domain it points to.

Best for

List every link on a page with its rel value: dofollow, nofollow, ugc or sponsored. Counts per domain and a CSV export. Check a backlink is followed.

Watch out for

Checks one URL at a time.

robots.txt tester

Ours

Free, no sign-up

Pick a user-agent and a URL. We fetch the live robots.txt, apply the RFC 9309 rules and show whether it's allowed, and which line decided.

Best for

Test any URL against a site's live robots.txt for Googlebot, Bingbot, GPTBot or any user-agent. See allowed or blocked and the exact rule that decided.

Watch out for

Checks one URL at a time.

HTTP header checker

Ours

Free, no sign-up

Enter a URL. We request it like a crawler, follow each redirect and show every header, grouped, with notes on the ones that affect indexing.

Best for

See every response header for a URL, grouped into SEO, caching, security and server, on each redirect. Flags X-Robots-Tag noindex and canonical headers.

Watch out for

Checks one URL at a time.

DNS lookup

Ours

Free, no sign-up

Enter a domain. We query Cloudflare's public resolver over HTTPS and show every record type with its TTL.

Best for

Look up A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records for any domain, live over DNS-over-HTTPS, with TTLs and CNAME chains. Free, no sign-up.

Watch out for

Checks one URL at a time.

SPF, DKIM and DMARC checker

Ours

Free, no sign-up

Enter the domain you send email from. We read its MX, SPF, DKIM and DMARC records and tell you, in plain words, what's missing and how to fix it.

Best for

Check a domain's SPF, DKIM, DMARC and MX records in one go, with plain-English verdicts and the fix for each. Counts SPF's 10-lookup limit.

Watch out for

Checks one URL at a time.

Is it down checker

Ours

Free, no sign-up

Enter a site. We request it from our server and tell you if it's up, returning an error, or not answering, and why.

Best for

Check if a website is down or just slow for you: status code, response time, redirects and final URL from our server, plus a DNS check if it fails.

Watch out for

Checks one URL at a time.

IndexNow tester

Ours

Free, no sign-up

Enter your site and IndexNow key. We check the key file on your site; once it matches, you can submit up to 10 changed URLs.

Best for

Check your IndexNow key file is live and matches, then submit up to 10 URLs to Bing, Yandex and the other IndexNow engines in one request. Free.

Watch out for

Checks one URL at a time.

Webpage to Markdown

Ours

Free, no sign-up

Paste a URL. We pull out the main content, drop the navigation and footer, and convert it to clean Markdown you can copy or download.

Best for

Turn any public web page into clean Markdown: main content only, headings, lists, links, tables and code kept. Copy it or download a .md file.

Watch out for

Checks one URL at a time.

Sitemap validator

Ours

Free, no sign-up

Enter a domain or sitemap URL. We read the index and its child sitemaps and check every entry against the sitemaps.org protocol.

Best for

Validate every entry in your XML sitemap: absolute same-host URLs, W3C lastmod dates, changefreq and priority values, duplicates and size limits.

Watch out for

Checks one URL at a time.

Sitemap URL extractor

Ours

Free, no sign-up

Enter a domain or sitemap URL. We follow the index into every child sitemap and give you the full URL list, deduplicated.

Best for

Pull every URL out of an XML sitemap or sitemap index, including gzip files. Filter the list, copy it, or download a CSV with lastmod. Up to 50,000 URLs.

Watch out for

Checks one URL at a time.

Sitemap compare

Ours

Free, no sign-up

Enter two sitemaps (before and after a migration, or yours and a competitor's). See every URL added, removed or unchanged.

Best for

Compare two XML sitemaps and see which URLs were added, removed or kept, where lastmod changed, and which differ only by https, www or a slash.

Watch out for

Checks one URL at a time.

HTML to Markdown converter

Ours

Free, no sign-up

Paste HTML from a page, a CMS or an email. Get clean, GitHub-flavored Markdown you can drop into docs, a README or an MDX blog.

Best for

Paste HTML and get clean Markdown: headings, links, images, lists, tables, code blocks and blockquotes. Runs in your browser, nothing is uploaded.

Watch out for

Runs in your browser; nothing is saved.

JSON to Markdown converter

Ours

Free, no sign-up

Paste JSON. Arrays of objects become a Markdown table; everything else becomes a readable nested list.

Best for

Turn JSON into Markdown: arrays of objects become a GFM table, nested objects become indented lists. Free, runs in your browser.

Watch out for

Runs in your browser; nothing is saved.

CSV to Markdown table

Ours

Free, no sign-up

Paste CSV, TSV or a range copied from a spreadsheet. Get a GFM table with the header row, alignment and escaping done for you.

Best for

Convert CSV or TSV into a GitHub-flavored Markdown table. Handles quoted fields, commas and line breaks inside quotes, and pipe characters.

Watch out for

Runs in your browser; nothing is saved.

XML to Markdown converter

Ours

Free, no sign-up

Paste XML: an RSS feed, a sitemap, an export. Repeated records become a Markdown table and the rest becomes a readable outline.

Best for

Convert XML into Markdown. Repeated records like RSS items or sitemap URLs become a table; other XML becomes a nested list. Runs in your browser.

Watch out for

Runs in your browser; nothing is saved.

Google Docs to Markdown

Ours

Free, no sign-up

Copy formatted text from Google Docs, Word or any web page and paste it here. We read the rich text from your clipboard and turn it into clean Markdown.

Best for

Convert Google Docs to Markdown: paste from Docs, Word, Notion or a web page and keep headings, bold, links, lists and tables. Runs in your browser.

Watch out for

Runs in your browser; nothing is saved.

Email signature generator

Ours

Free, no sign-up

Fill in your details. Get an email signature that renders in Gmail, Outlook and Apple Mail, plus a plain-text fallback, ready to copy.

Best for

Build a clean HTML email signature with your name, role, links and logo, plus a plain-text version. Copy it into Gmail, Outlook or Apple Mail.

Watch out for

Runs in your browser; nothing is saved.

Privacy policy generator

Ours

Free, no sign-up

Tell us what your product collects, why and who you share it with. Get a plain-English privacy policy draft to review with a lawyer before you publish.

Best for

Answer a short form about the data your product collects and get a plain-English privacy policy draft in Markdown. A starting point, not legal advice.

Watch out for

Runs in your browser; nothing is saved.

Terms of service generator

Ours

Free, no sign-up

Describe your product, how people pay and what they can't do with it. Get a terms of service draft in Markdown to review before you publish.

Best for

Generate a plain-English terms of service draft for a SaaS, app or website from a short form. Markdown output. A starting point, not legal advice.

Watch out for

Runs in your browser; nothing is saved.

Cookie policy generator

Ours

Free, no sign-up

Pick the kinds of cookies and tools your site uses. Get a cookie policy draft with a cookie table you can edit, in Markdown.

Best for

List the cookies and tools your site uses and get a cookie policy draft in Markdown, with a table of cookies by category. Not legal advice.

Watch out for

Runs in your browser; nothing is saved.

XML sitemap generator

Ours

Free, no sign-up

Paste a list of URLs. We check each one, escape it properly and build a sitemap.xml that follows the sitemaps.org protocol, split into files if needed.

Best for

Paste your URLs and get a valid sitemap.xml with optional lastmod, changefreq and priority. Checks each URL and splits files over 50,000 URLs.

Watch out for

Runs in your browser; nothing is saved.

Sitemap index generator

Ours

Free, no sign-up

Paste the URLs of your sitemap files. Get a sitemap index that points search engines at all of them, ready to reference from robots.txt.

Best for

List your sitemap files and get a valid sitemap index with optional lastmod dates. Checks URLs, duplicates and the 50,000-sitemap limit.

Watch out for

Runs in your browser; nothing is saved.

Sitemap splitter and merger

Ours

Free, no sign-up

Paste or upload sitemap files. Merge them into one deduplicated sitemap, or split a big one into smaller files plus a sitemap index.

Best for

Merge several sitemaps into one and remove duplicates, or split a large sitemap into files of any size with a matching sitemap index. In your browser.

Watch out for

Runs in your browser; nothing is saved.

Redirect generator

Ours

Free, no sign-up

Paste old and new URLs, one pair per line. Get redirect rules for your server or host, checked for loops, chains and duplicates.

Best for

Bulk 301 redirect generator: turn a list of old and new URLs into 301 or 302 rules for .htaccess, Nginx, Vercel, Netlify, Next.js and Cloudflare. Free.

Watch out for

Runs in your browser; nothing is saved.

OG image generator

Ours

Free, no sign-up

Type a title, pick a template and a brand color, add your logo. Download a 1200×630 PNG for link previews on X, LinkedIn, Slack and more.

Best for

Make a 1200×630 Open Graph image with your title, subtitle, brand color and logo. Pick a template and download a PNG. Free, in your browser.

Watch out for

Runs in your browser; nothing is saved.

Favicon generator

Ours

Free, no sign-up

Start from initials, an emoji or an uploaded logo. Get every size browsers and phones ask for, a favicon.ico and the HTML to add to your head.

Best for

Make a favicon from initials, an emoji or your logo. Download 16, 32, 180, 192 and 512px PNGs, a favicon.ico, the link tags and a web manifest.

Watch out for

Runs in your browser; nothing is saved.

ai.txt generator

Ours

Free, no sign-up

Choose which file types AI dataset tools may use. Get an ai.txt in the format Spawning introduced in 2023, plus what it can and can't do.

Best for

Generate an ai.txt file to state AI training preferences for your site's files, with an honest look at who reads it today and why robots.txt still matters.

Watch out for

Runs in your browser; nothing is saved.

MCP server card generator

Ours

Free, no sign-up

Describe your remote MCP server. Get a Server Card and an AI Catalog file that follow the current draft discovery proposal, checked against its schema rules.

Best for

Generate an MCP Server Card and a /.well-known/ai-catalog.json so AI clients can discover your remote MCP server. Follows the current draft (SEP-2127).

Watch out for

Runs in your browser; nothing is saved.

Launch checklist

Ours

Free, no sign-up

Work through pre-launch, launch day and post-launch tasks. Your progress saves in this browser, and each step links to the template or tool that helps.

Best for

An interactive launch checklist for pre-launch, launch day and the week after. Tick items off, it saves in your browser, and each step links to a template.

Watch out for

Runs in your browser; nothing is saved.

Press kit generator

Ours

Free, no sign-up

Collect the facts journalists and directory editors ask for in one place. Get a press kit in Markdown and HTML you can publish at /press.

Best for

Fill in your company facts, boilerplate, founders and links. Get a press kit page in Markdown and HTML, with a marked placeholder for a founder quote.

Watch out for

Runs in your browser; nothing is saved.

Show HN title checker

Ours

Free, no sign-up

Type your Show HN title. We check it against Hacker News's written guidelines as you type, and AI scores how clear, specific and hype-free it reads.

Best for

Check a Show HN title against Hacker News guidelines (prefix, 80 characters, hype, caps) and get an AI clarity and specificity score. Not a vote predictor.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

QR code generator

Ours

Free, no sign-up

Enter a URL or any text. Get a static QR code that encodes it directly, with no redirect service in between, as a PNG or SVG.

Best for

Make a static QR code for a URL or text, pick the error correction level and colors, and download a PNG or SVG. No tracking redirect, no expiry.

Watch out for

Runs in your browser; nothing is saved.

Startup idea validator

Ours

Free, no sign-up

Describe your idea and AI searches the web for competitors, what they charge and people asking for a fix. Then score it on six factors and get experiments for the next seven days.

Best for

Describe your idea. AI with live web search finds real competitors, their prices and people asking for a fix, then you score it and get 7 days of tests.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Startup name generator

Ours

Free, no sign-up

Say what you're building and the feel you want. We come up with 48 names, check every .com against the registry, and show you the ones that are still free.

Best for

Describe your product and get startup name ideas with an unregistered .com: we generate 48 and check every one against the .com registry.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Keyword idea generator

Ours

Free, no sign-up

Enter a seed keyword. Get keyword ideas grouped by intent: questions, commercial, comparisons and long-tail. They're ideas to check, not measured demand.

Best for

Enter a seed keyword and get question, commercial, comparison and long-tail keyword ideas from AI. Ideas to research, not search volumes.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Domain Rating checker

Ours

Free, no sign-up

Enter a domain. We ask Ahrefs' free API for its Domain Rating (DR) and explain what the number does and doesn't tell you.

Best for

Domain Rating checker: look up any site's Ahrefs DR free, straight from Ahrefs' DR API. What the number means, and what it doesn't, before you chase links.

Watch out for

Checks one URL at a time.

Bulk DR checker

Ours

Free, no sign-up

Paste up to 25 domains, one per line. We fetch each Domain Rating from Ahrefs' free API in one request; sort the table or download it as CSV.

Best for

Paste up to 25 domains and get each one's Ahrefs Domain Rating in one table. Sort by DR, then export a CSV. Free, no sign-up.

Watch out for

Checks one URL at a time.

Backlink value calculator

Ours

Free, no sign-up

Enter what you know about a link you're considering. We score it 0–100 with a formula you can see, and estimate the clicks it could send.

Best for

Score a potential backlink from the linking site's DR, rel attribute, topical relevance and page traffic. Every weight is shown. A heuristic, not a price.

Watch out for

Runs in your browser; nothing is saved.

Startup directory finder

Ours

Free, no sign-up

Describe your product. AI scores its fit with every directory in our database of 440+, and you get a ranked shortlist with each site's link type, price and submit page.

Best for

Describe your product and we score how well it fits each of 440+ startup, SaaS and AI directories. Get a ranked list with link type, price and submit page.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Headline analyzer

Ours

Free, no sign-up

Paste a headline, page title, tagline or Show HN title. AI scores it on clarity, specificity, benefit and hype, then suggests rewrites you can test.

Best for

Score a headline, title, tagline or Show HN post on clarity, specificity, benefit and hype, with calibrated AI scores and sharper rewrites.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Search intent checker

Ours

Free, no sign-up

Paste keywords, one per line. AI labels each one informational, commercial, transactional or navigational, with how confident it is, so you can plan the right page for each.

Best for

Paste up to 200 keywords and get each one's search intent (informational, commercial, transactional, navigational) with a confidence score. CSV export.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Landing page grader

Ours

Free, no sign-up

Enter your landing page. We read it like a first-time visitor and check the questions they need answered in the first screen, with a fix for each miss.

Best for

Enter a URL. AI reads the page and checks what a first-time visitor needs: what it is, who it's for, why it's better, proof, and one clear next step.

Watch out for

Checks one URL at a time.

Reddit post checker

Ours

Free, no sign-up

Paste the post you want to share and the subreddit. AI estimates how it will read to moderators and members, and flags what makes it look like an ad.

Best for

Paste a Reddit post about your product and the subreddit. AI estimates how likely it is to read as self-promotion and be removed, and what to change.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Customer feedback analyzer

Ours

Free, no sign-up

Paste up to 200 pieces of feedback, one per line. AI tags each by topic, sentiment and urgency, and counts what comes up most, so you know what to fix first.

Best for

Paste reviews, support tickets or survey answers. AI tags each one as bug, feature request, pricing, UX or praise, with sentiment and urgency. CSV export.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

SERP checker

Ours

Free, no sign-up

Enter a keyword, a country and a device. We fetch the live Google results and list the organic results in order, with the features around them: AI Overview, People Also Ask, videos, ads and more.

Best for

Check live Google results for any keyword: organic positions, titles and URLs, plus the SERP features around them (AI Overview, People Also Ask, videos).

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Keyword rank checker

Ours

Free, no sign-up

Enter your domain and up to five keywords. We look up the live Google results for each one and tell you your organic position, the page that ranks, and who is number one.

Best for

Check where your domain ranks on Google for up to 5 keywords, by country and device: your position, the ranking URL and who's #1. Free, live results.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

People Also Ask finder

Ours

Free, no sign-up

Enter a keyword and a country. We read Google's live results and list the People Also Ask questions, plus the related searches, ready to copy or download as a CSV.

Best for

Find the People Also Ask questions Google shows for any keyword, by country. Copy the list or export a CSV, and use the questions as headings and FAQs.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

AI Overview checker

Ours

Free, no sign-up

Enter a keyword and a country, and optionally your domain. We read the live Google results, tell you whether an AI Overview showed, and list the sources it cited.

Best for

See whether Google showed an AI Overview for a keyword, read a preview of it, and check which sources it cites and whether your domain is one of them.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Website traffic checker

Ours

Free, no sign-up

Enter a domain and a country. We estimate how much traffic it gets from Google search, count the keywords it ranks for and list the ones behind most of it. An estimate from rankings, not a measurement.

Best for

Estimated Google organic traffic for any domain, by country, with keyword counts and top keywords. Data: DataForSEO. A model, not a measurement.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Website authority checker

Ours

Free, no sign-up

Enter a domain. We show Domain Rating (Ahrefs), backlinks and rank (DataForSEO), Tranco popularity and domain age, each with its source and scale. No made-up combined score.

Best for

Check a site's authority from independent signals: Domain Rating by Ahrefs, backlinks and rank from DataForSEO, Tranco popularity and domain age.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Free SEO growth plan

Ours

Free, no sign-up

Enter your website. We find searches people make that you don't show up for, count your pages, ask an AI assistant the question a buyer would, and write your first article ideas. About a minute.

Best for

The searches your site could win, how many pages it has, whether AI assistants name you, and the first articles to write. Free for any website.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Noindex checker

Ours

Free, no sign-up

Paste up to 20 URLs. For each one we fetch the page and read what Google reads: status and redirects, robots meta tags, the X-Robots-Tag header, robots.txt for Googlebot and the canonical. You get a verdict per URL.

Best for

Check up to 20 URLs for noindex in the meta robots tag and X-Robots-Tag, a robots.txt block for Googlebot, and a canonical pointing elsewhere. Free.

Watch out for

Checks one URL at a time.

Google index checker

Ours

Free, no sign-up

Enter a URL or a domain. We run a live site: search on Google and check the page for anything that blocks indexing. A site: search is an estimate, so we also point you to Search Console for the final answer.

Best for

See whether Google lists a URL, or how many pages it reports for a domain, with a live site: search plus noindex, robots.txt and canonical checks. Free.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.

Title tag checker

Ours

Free, no sign-up

Paste up to 20 URLs, or type one title. We read each page's title tag, measure it in characters and pixels, show where Google may cut it on desktop and mobile, and compare it with the H1.

Best for

Check title tags for up to 20 URLs or one pasted title: length in characters and pixels, where Google may cut it, H1 match, duplicates and boilerplate.

Watch out for

Checks one URL at a time.

UTM checker

Ours

Free, no sign-up

Paste up to 50 tagged URLs, one per line. We parse each one, flag what breaks GA4 reporting and show spellings that differ across the list. Optionally follow redirects to see whether the UTM parameters survive.

Best for

Check up to 50 UTM-tagged links for missing source, medium or campaign, mixed case, spaces, duplicates, personal data and inconsistent names. Free.

Watch out for

Runs in your browser; nothing is saved.

Query fan-out generator

Ours

Free, no sign-up

Google's AI Mode and AI Overviews can split one question into several searches before they answer. Enter a query to see the sub-queries they are likely to run, grouped by facet, and what your page needs to say to be the source for each.

Best for

Enter a search query and see the sub-queries AI search may run for it, grouped by facet, with what a page must say to be the source. A prediction. Free.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Topic cluster generator

Ours

Free, no sign-up

Enter a seed topic and who it's for. Get a pillar page and 8 to 15 cluster articles, each with a working title, the search phrase to check, its intent and angle, and how it links to the pillar.

Best for

Enter a topic and an audience. Get one pillar page and 8 to 15 cluster articles with search phrases to check, intent, angle, a link map and a CSV. Free.

Watch out for

Uses an AI model: check the output before you rely on it. Nothing is saved.

Disavow file generator

Ours

Free, no sign-up

Google says most sites will not need a disavow file. If yours does, paste your links or a backlink CSV and get a valid disavow.txt: whole domains as domain: lines, duplicates removed, bad lines flagged.

Best for

Turn pasted URLs, domains or a backlink CSV into a valid disavow.txt: domain: lines, duplicates removed, bad lines flagged. Runs in your browser. Free.

Watch out for

Runs in your browser; nothing is saved.

Rich results test

Ours

Free, no sign-up

Paste a URL. We read its structured data, match each item to the Google feature it could be eligible for, and show the required properties it's missing and the features Google no longer shows.

Best for

Rich results test for any URL: see which Google rich results a page could get, which required properties are missing and which features Google dropped.

Watch out for

Checks one URL at a time.

Website technology checker

Ours

Free, no sign-up

Enter a URL. We read the site's headers, cookies, generator tags and the files its page loads, and list the CMS or site builder, framework, host or CDN, analytics and tools we can identify, with the evidence for each.

Best for

Find the CMS, framework, host and analytics a website uses, with the evidence for each. Detects WordPress, Shopify, Webflow, Next.js and 100+ more. Free.

Watch out for

Checks one URL at a time.

HTTP status code checker

Ours

Free, no sign-up

Paste up to 50 URLs. For each one we follow the redirects ourselves and show the final status, every hop with its code, the final URL and the response time, then flag the problems.

Best for

Check the HTTP status of up to 50 URLs at once: final code, every redirect hop, response time, loops, chains and 302s doing a 301's job. CSV export.

Watch out for

Checks one URL at a time.

DNS propagation checker

Ours

Free, no sign-up

Enter a domain and a record type. We ask 18 public DNS resolvers over HTTPS, including servers in cities on four continents, show each answer with its TTL and say whether they agree.

Best for

Check whether a DNS change has spread: ask 18 public DNS-over-HTTPS resolvers for A, AAAA, CNAME, MX, TXT or NS records and compare answers and TTLs. Free.

Watch out for

Checks one URL at a time.

WebP converter

Ours

Free, no sign-up

Drop in PNG, JPEG or GIF files and get WebP versions, usually smaller. Choose a quality, see each file's size before and after, and download one file or all of them. It runs on your device, so nothing is uploaded.

Best for

Convert PNG, JPEG and GIF to WebP, or WebP back to JPEG and PNG, in your browser. Quality slider, batch download, size saved. Nothing is uploaded.

Watch out for

Runs in your browser; nothing is saved.

What is my user agent

Ours

Free, no sign-up

Your browser sends this string with every request. We parse it into browser, version, operating system, device and engine, show the client hints your browser exposes, and compare it with what our server received.

Best for

See your browser's user agent string and client hints, parsed into browser, version, OS, device and engine, and compare them with what our server sees.

Watch out for

Runs in your browser; nothing is saved.

Readability checker

Ours

Free, no sign-up

Paste your text. We score it five ways, show each formula with your numbers filled in, and highlight sentences that run long, likely passive voice and adverbs. It's for English text and runs in your browser.

Best for

Paste English text for Flesch Reading Ease, Flesch-Kincaid, Gunning Fog, SMOG and Coleman-Liau scores. Marks long sentences, passive voice and adverbs.

Watch out for

Runs in your browser; nothing is saved.

Meta tag generator

Ours

Free, no sign-up

Fill in a page's title, description and canonical URL, then add robots rules, Open Graph, an X card and a theme color. Copy clean HTML for the head or a Next.js metadata object. Length checks and a search result preview update as you type.

Best for

Generate meta tags: title, description, canonical, robots, Open Graph, X card and theme color. Copy clean HTML or a Next.js metadata object. Free.

Watch out for

Runs in your browser; nothing is saved.

Keyword difficulty checker

Ours

Free, no sign-up

Paste up to 20 keywords and pick a country. We look each one up and show its keyword difficulty (0 to 100), monthly searches, CPC and search intent, so you can pick the terms a new site can win.

Best for

Free keyword difficulty checker: score up to 20 keywords by country and see KD (0-100), monthly searches, CPC and search intent. Data: DataForSEO.

Watch out for

Shows third-party search data (DataForSEO): estimates and snapshots, cached for a few days.