About
SEOpeck is a free, no-sign-up toolbox of more than 340 web tools for site owners, marketers and developers. The PDF, image, video, audio and document tools run entirely in your browser, so your files are never uploaded: no queue, no file-size paywall, no watermark.
SEO: on-page SEO checker, site audit, AI crawler (GPTBot, ClaudeBot) checker, robots.txt tester, schema generator, llms.txt tools and speed test. PDF: merge, split, compress, sign, protect and convert. Images: compress, resize, convert HEIC, plus an AI background remover and upscaler that run in your browser. Network and developer tools: DNS, MX and SPF/DKIM/DMARC checks, JSON, regex, JWT and diff tools. There is also a free Chrome and Edge extension that checks any page's SEO in one click.