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Robots.txt Generator - Create Crawler Rules Online

Create properly formatted robots.txt files with our free generator. Define crawling rules for search engines and other web robots with an easy-to-use interface.

Select which user agents to configure, starting with the wildcard (*) that applies to all crawlers or specific bots like Googlebot and Bingbot. Define allowed and disallowed paths using URL patterns, add crawl delays if needed, and specify your sitemap location. The generator creates a properly formatted robots.txt file following standard protocol syntax. Everything runs in your browser with no server uploads. Download the finished file and upload it to your website's root directory for search engines to discover.

Website administrators prevent search engines from indexing duplicate content in staging or development directories. E-commerce sites block crawlers from accessing internal search result pages that create infinite URL variations. Content sites protect admin areas and private sections while allowing public pages to be indexed freely. SEO specialists set crawl rate limits on large sites to prevent server overload from aggressive bot traffic.

Place your robots.txt file only in the root domain directory—subdirectories are ignored by crawlers. Use specific disallow rules rather than blocking entire sections when possible to maintain granular control. Test your robots.txt file with Google Search Console's robots.txt Tester before deploying to catch syntax errors. Remember that robots.txt is advisory, not security—malicious bots may ignore it, so never rely on it to protect sensitive data. Include your XML sitemap URL to help search engines discover all your important pages efficiently.

All processing happens directly in your browser. Your files never leave your device — no server uploads, no cloud storage, no data retention. The tool works offline once loaded, requires no registration, and is completely free with no usage limits.

Frequently Asked Questions

What is robots.txt?

Robots.txt is a text file placed in your website root directory that tells search engine crawlers which pages they can or cannot access.

Where should I place robots.txt?

The robots.txt file must be placed in the root directory of your website, accessible at yourdomain.com/robots.txt.

Can robots.txt block all crawlers?

Yes, using User-agent: * and Disallow: / will block all compliant crawlers from accessing any page. However, this is only a suggestion and malicious bots may ignore it.

Should I include my sitemap in robots.txt?

Yes, including a Sitemap directive in robots.txt helps search engines discover your XML sitemap, which improves crawling efficiency.