Free tools
Free SEO and AI tools, no sign-up.
To check and fix, in a few minutes, what stops Google and AI from reading your site properly. Each tool actually reads your site and explains what to do.
- AI crawler checker AICheck for free whether ChatGPT, Claude, Perplexity and Gemini are allowed to read your site: robots.txt, GPTBot, OAI-SearchBot, PerplexityBot, llms.txt.
- robots.txt generator AICreate a clean robots.txt in 1 minute: folders to hide, sitemap, and a clear choice for AI crawlers (allow all, block training, block all).
- Google preview (SERP simulator)See how your title and meta description show up in Google, on desktop and mobile, with the ideal character count.
- Indexability checkerCheck in seconds whether a page can appear on Google: response code, redirects, noindex, canonical tag and robots.txt.
- Open Graph checkerSee your page's preview when it's shared (Facebook, LinkedIn, WhatsApp, X) and which Open Graph tags are missing.
- SEO tag checkerFree analysis of your homepage: title tag, meta description, H1, HTTPS, sitemap, structured data and llms.txt.
- Structured data generatorCreate for free the JSON-LD code that helps Google and AI understand who you are: company, local business, restaurant, service provider.
- llms.txt generator AICreate your llms.txt file in 2 minutes: a clear summary of your site and key pages that AI can read.
Embed the free audit on your site
Agency, blog, directory: let your visitors check their site. Paste this code anywhere, it's free.
<iframe src="https://coolseo.app/embed/audit?lang=en" title="Free SEO and AI audit · CoolSEO" width="100%" height="200" style="border:0;max-width:580px" loading="lazy"></iframe>