Free tools for the web and AI

Turn a page into Markdown, count its tokens, see which AI crawlers a site blocks, embed a badge with your own site's status, check or draft an llms.txt, list a site's URLs and price a search API. The ones that fetch pages call the live ContextFetch API straight from your browser, with no key and no signup: 25 free requests a day per network.

• URL to MarkdownPaste a URL, get the clean Markdown the API returns for it.GET /r/{url}
• Token counterA page's tokens as raw HTML, as Markdown and pruned to a question.GET /r/{url}
• AI crawler checkerWhich AI crawlers a site's robots.txt blocks: GPTBot, ClaudeBot and more.GET /r/{site}/robots.txt
• AI-ready badgeA badge for your site with its AI crawler rules and llms.txt status from our crawl.
• llms.txt generator and validatorCheck a site's llms.txt against the format, or draft one from its URLs.GET /r/{site}/llms.txt, POST /v1/map
• Site mapperA site's URLs from its links and sitemaps, without fetching the pages.POST /v1/map
• Search API cost calculatorMonthly cost at list price for ContextFetch, Exa and Tavily.