The best free SEO tools, by use case

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.

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.

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.

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.

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.

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.

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.

Free, no sign-up

Paste a URL. We fetch the page like a crawler and check the tags that decide how it's indexed, shown and shared.

Best for

Check a page's title, meta description, canonical, robots, Open Graph, JSON-LD, hreflang and llms.txt in one pass, with a one-line fix for each issue.

Watch out for

Checks one URL at a time.

Free, no sign-up

Type a title, URL and meta description. See roughly how Google will show them, and where they get cut off.

Best for

See how your title and meta description look in Google on desktop and mobile, with pixel-width estimates and truncation warnings. Free, no sign-up.

Watch out for

Runs in your browser; nothing is saved.

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.

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.

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.

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.

Free, no sign-up

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

Best for

See a page's H1–H6 outline as a tree 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.

Free, no sign-up

Enter a domain or a sitemap URL. We find the sitemap, follow up to 10 child sitemaps and check what's inside.

Best for

Find a site's sitemap via robots.txt, follow its index, count URLs and check lastmod dates, http/https and www mix, and the 50,000-URL limit.

Watch out for

Checks one URL at a time.

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.

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

Runs in your browser; nothing is saved.

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

Runs in your browser; nothing is saved.

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, runs on an open model.

Watch out for

Runs in your browser; nothing is saved.

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

Build UTM-tagged links with presets for newsletters, X, LinkedIn, Product Hunt and directories. Flags case and space mistakes. Bulk mode. Free.

Watch out for

Runs in your browser; nothing is saved.

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

Turn titles into clean URL slugs: lowercase, accents transliterated, optional stop-word removal and a max length. One at a time or in bulk.

Watch out for

Runs in your browser; nothing is saved.

Free, no sign-up

Paste your text. You get counts, reading time, a Flesch reading ease score and your longest sentences highlighted.

Best for

Count words, characters, sentences and paragraphs, estimate reading time, get a Flesch reading ease score and see your longest sentences.

Watch out for

Runs in your browser; nothing is saved.

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.

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.

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.

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.

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

Check a page's rel=canonical against its final URL: http vs https, www, trailing slash, cross-domain, and HTML vs HTTP header conflicts.

Watch out for

Checks one URL at a time.

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.

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

Extract every JSON-LD block on a page, see it pretty-printed, catch syntax errors, and check the properties Google lists for each rich result type.

Watch out for

Checks one URL at a time.

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.

Free, no sign-up

Paste a page URL. We check up to 100 of its links and list every 404, server error, timeout and redirect.

Best for

Find broken links on a page: we check up to 100 links for 404s, server errors, timeouts and redirects, internal links first. Free, no sign-up.

Watch out for

Checks one URL at a time.

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

List every image on a page with missing, empty or over-long alt text, filename alts, missing width and height, and lazy-loading above the fold.

Watch out for

Checks one URL at a time.

Free, no sign-up

Paste a URL. We list every link on the page, internal and external, with its anchor text and rel attributes.

Best for

Count a page's internal and external links, see every anchor text, and spot nofollow on internal links, 'click here' anchors and links with no text.

Watch out for

Checks one URL at a time.

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.

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.

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

Runs in your browser; nothing is saved.

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

Runs in your browser; nothing is saved.

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

Runs in your browser; nothing is saved.

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

Paste up to 200 keywords. We group them by meaning with an embeddings model, name each group after its most central keyword and export a CSV.

Watch out for

Runs in your browser; nothing is saved.

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

Runs in your browser; nothing is saved.

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

Runs in your browser; nothing is saved.

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.

Free, no sign-up

Paste your post. See its count on X, LinkedIn, Threads, Bluesky and Mastodon, counted each platform's way, with the overflow highlighted.

Best for

Count characters the way X (links = 23), LinkedIn, Threads, Bluesky and Mastodon do, and see exactly where your post runs over each limit.

Watch out for

Runs in your browser; nothing is saved.

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.

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

Runs in your browser; nothing is saved.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Free, no sign-up

Enter a domain or sitemap URL. We count the URLs in every sitemap file and the unique total, without counting any URL or file twice.

Best for

Count the URLs in a sitemap and its index: per file and total unique, with duplicates and repeats across files counted once. gzip supported.

Watch out for

Checks one URL at a time.

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.

Free, no sign-up

Enter a domain or sitemap URL. We break its URLs down by section, depth, extension and lastmod month, so you can see the site's shape.

Best for

See what a site's sitemap is made of: URLs per section, folder depth, file types, hosts and lastmod by month. Works on any public sitemap.

Watch out for

Checks one URL at a time.

Free, no sign-up

Enter a domain or sitemap URL. We tally every changefreq and priority value, flag invalid ones, and compare them with lastmod.

Best for

See how a sitemap uses changefreq and priority, which values are invalid, and what Google does with them (it ignores both). lastmod checked too.

Watch out for

Checks one URL at a time.

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.

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.

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.

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.

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

Paste formatted text from Google Docs, Word, Notion or a web page and get clean Markdown with headings, bold, links, lists and tables kept.

Watch out for

Runs in your browser; nothing is saved.

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.

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.

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.

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.

Free, no sign-up

Paste your article or type a word count. See how long it takes to read silently, read aloud or present, at the speed you choose.

Best for

Paste text or enter a word count and see reading time at 238 wpm (the research average for non-fiction), or pick your own reading or speaking speed.

Watch out for

Runs in your browser; nothing is saved.

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.

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.

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.

Free, no sign-up

Type or paste a meta description. See the character count, an estimated pixel width and where Google would likely cut it off, as you type.

Best for

Type a meta description and see its length in characters and estimated pixels, where Google would likely cut it on desktop and mobile, and a preview.

Watch out for

Runs in your browser; nothing is saved.

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

Turn a list of old and new URLs into 301 or 302 rules for Apache .htaccess, Nginx, Vercel, Netlify, Next.js and Cloudflare Bulk Redirects.

Watch out for

Runs in your browser; nothing is saved.

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.

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.

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.

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.

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.

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.

Free, no sign-up

Type your Show HN title. We check it against Hacker News's written guidelines and a few clarity rules, and explain each point.

Best for

Check a Show HN title against Hacker News guidelines: the Show HN prefix, the 80-character limit, hype words, caps and clarity. Not a vote predictor.

Watch out for

Runs in your browser; nothing is saved.

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.

Free, no sign-up

Rate your idea honestly on six factors. Get a weighted score, the weakest assumption, and experiments you can run in the next seven days.

Best for

Score your startup idea on problem, urgency, demand, willingness to pay, channel and competition, then get 7 days of concrete experiments to test it.

Watch out for

Runs in your browser; nothing is saved.

Free, no sign-up

Say what you're building and the feel you want. Get name ideas, then check which .com domains aren't registered right now.

Best for

Describe your product and get 12 startup name ideas with the thinking behind each, then check whether the .com is registered, live from the registry.

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Runs in your browser; nothing is saved.

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 an open model. Ideas to research, not search volumes.

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Runs in your browser; nothing is saved.

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

Check any website's Domain Rating, straight from Ahrefs' free DR API. See what the number means, and what it doesn't, before you chase links.

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Checks one URL at a time.

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.

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Checks one URL at a time.

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.

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Runs in your browser; nothing is saved.