Free tools
SEO and launch tools. No signup.
- 62 tools
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- Domain Rating CheckerLive Ahrefs Domain Rating (0–100) for any domain.
- SEO CheckerA scored on-page SEO audit with a pass, warn or fail fix list.
- WHOIS LookupRegistrar, domain age, expiry date, status and nameservers from RDAP.
- OG Image Generator1200×630 share images with title, logo and colors, as PNG.
- Favicon GeneratorText or emoji favicons in every size, with the HTML and manifest.
- Bulk DR CheckerAhrefs DR for up to 25 domains at once, sortable, with CSV export.
- Startup Name Generator16 name ideas with rationale and a quick domain check.
- Page Speed CheckerLighthouse scores, Core Web Vitals and the top fixes for any page.
Launch
Names, taglines, checklists and copy for the week you ship.
- Startup Name Generator16 name ideas with rationale and a quick domain check.AI
- Launch Checklist42 launch steps with the reason for each, saved in your browser.
- Tagline Generator12 taglines under 60 characters, grouped by angle.AI
- Product Description GeneratorOne-liner, short and long descriptions and feature bullets from your site.AI
- Launch Post GeneratorA ready launch post in each platform's norms, from PH to Show HN.AI
- Keyword GeneratorKeyword ideas grouped by type, each with a search intent label.AI
- Show HN Title ScorerChecks a Show HN title against HN's rules and suggests a rewrite.
- Press Kit GeneratorA press kit page and Markdown from one form, built in your browser.
- Backlink Value CalculatorScore a link opportunity 0–100 and see a rough market cost.
- SaaS Pricing CalculatorCustomers and visitors needed for a target MRR, with LTV and payback.
- MRR CalculatorMRR, ARR, ARPU, net new MRR and a 12-month projection.
Authority & backlinks
Domain Rating, link audits and domain history before you spend time on outreach.
On-page SEO
Read any page the way a crawler does: titles, meta, headings, schema, links and images.
- SEO CheckerA scored on-page SEO audit with a pass, warn or fail fix list.
- Meta Tags CheckerEvery meta tag and head link on a page, in one table.
- Heading AnalyzerThe H1–H6 outline of any page, with structure problems flagged.
- Schema Markup CheckerEvery JSON-LD block on a page, parsed, typed and checked.
- Image Alt Text CheckerEvery image on a page with its alt text status: missing, empty or present.
- Dofollow CheckerEvery link on a page, marked dofollow, nofollow, ugc or sponsored.
- Canonical URL CheckerChecks rel=canonical against the final URL and explains the verdict.
- Hreflang CheckerValidates hreflang codes, x-default, self-reference and return links.
- Open Graph CheckerSocial share card previews plus every og: and twitter: tag on a page.
- Broken Link CheckerTests up to 60 links on a page for 404s, errors and redirects.
- Website CompareTwo pages side by side on DR, SEO basics, content and speed.
- Webpage to MarkdownTurns any URL into clean Markdown for notes, docs and LLM prompts.
Technical SEO
Redirects, headers, robots.txt, sitemaps, DNS, email auth and speed.
- Redirect CheckerEvery hop in a redirect chain, with status codes, timing and fixes.
- HTTP Header CheckerAll response headers for a URL, plus a security, caching and indexing checklist.
- Robots.txt TesterTest a path against robots.txt for any crawler, and see which AI bots are blocked.
- Sitemap CheckerFind and validate a site's XML sitemaps, including indexes and .gz files.
- Sitemap URL ExtractorPull every <loc> URL out of a sitemap or index, then copy or export to CSV.
- llms.txt ValidatorCheck an llms.txt file's structure against llmstxt.org and test its links.
- DNS LookupAll the common DNS records for a domain, with TTLs, in one lookup.
- SSL Certificate CheckerCertificate issuer, expiry and covered names, plus a live HTTPS and redirect test.
- SPF, DKIM and DMARC CheckerSPF, DKIM, DMARC, MX and BIMI for a domain, with fixes for each problem.
- WHOIS LookupRegistrar, domain age, expiry date, status and nameservers from RDAP.
- Website Down CheckerIs a site down for everyone or just you? Live status, response time and server.
- Page Speed CheckerLighthouse scores, Core Web Vitals and the top fixes for any page.
SEO generators
Write the tags and files search engines and AI answer engines read.
- Robots.txt GeneratorDisallow rules, sitemaps, per-bot rules and an AI crawler block, ready to download.
- Meta Tag GeneratorTitle, description, canonical, robots and social tags as one HTML snippet.
- Open Graph GeneratorOG and X card tags with a live share preview for Facebook, LinkedIn and X.
- SERP PreviewDesktop and mobile Google snippet preview with pixel widths and truncation.
- FAQ Schema GeneratorQuestions and answers in, FAQPage JSON-LD out.
- Schema Markup GeneratorPick a schema.org type, fill the fields, copy clean JSON-LD.
- llms.txt GeneratorBuild an llmstxt.org-format file that points AI assistants at your best pages.
- XML Sitemap GeneratorTurn a list of URLs into a valid sitemap.xml, split with an index past 50,000.
- UTM BuilderTagged campaign links with launch presets and a GA4 channel preview.
- Redirect GeneratorOne list of redirects, written for Apache, Nginx, Cloudflare, Netlify, Vercel and Next.js.
- Slug GeneratorTitles in, short lowercase URL slugs out, one at a time or in bulk.
- Title Tag CheckerPixel width, length, keyword position and common mistakes in a title tag.
Content & branding
Count, clean, convert and brand: Markdown converters, QR codes, favicons and OG images.
- Word CounterLive word, character and sentence counts with reading time.
- Readability CheckerSix readability formulas, grade level and long sentences flagged.
- Keyword Density CheckerPhrase frequency and density, a target keyword check and stuffing warnings.
- Case ConverterNine cases at once, from AP-style Title Case to snake_case.
- HTML to MarkdownPaste HTML, get clean GitHub-flavored Markdown with tables.
- CSV to Markdown TableCSV to a padded GFM table, or a Markdown table back to CSV.
- JSON to MarkdownJSON to tables and nested lists, with line and column error reporting.
- QR Code GeneratorStatic QR codes for any URL or text, as PNG or SVG.
- Favicon GeneratorText or emoji favicons in every size, with the HTML and manifest.
- OG Image Generator1200×630 share images with title, logo and colors, as PNG.
- Privacy Policy GeneratorA privacy policy draft from your data, tools and laws, in Markdown or HTML.
- Terms of Service GeneratorA terms of service draft for SaaS, apps and marketplaces.