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3 tools

Free robots.txt tester and validator: paste your file, test URLs for Googlebot, Bingbot and AI crawlers like GPTBot and ClaudeBot, and see the exact line that allows or blocks each one. Follows Google's matching rules, flags mistakes, compares two versions before you publish and shares results with a link. Runs in your browser.

Free online log analyzer for Nginx, Apache, LiteSpeed, IIS, CloudFront and Cloudflare logs. Drop in plain or .gz access logs and see traffic, top pages, broken links, server errors, Googlebot crawl budget, AI crawlers, fake Googlebots, attack probes and response times. Filter everything and export CSV. Your logs never leave your browser.

Free online SQL tool for CSV, Excel and JSON files. Drop in your files and query them like database tables: filter, group, join several files, use window functions and dates, then chart the result or download it as CSV, Excel or JSON. Smart type detection, autocomplete and examples built from your own columns. Your data never leaves your browser.

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