Robots.txt Toolkit

Generate, validate, and test robots.txt rules.

Single-file • No dependencies

Crawler group

Choose which crawler the rules apply to.

Rules

Add Allow or Disallow directives. Paths should usually start with /.

Sitemaps

Preview

Validator

Paste robots.txt content to check common syntax mistakes and risky directives.

Results

No validation run yet.

URL Tester

Test a URL path against pasted robots.txt rules for a selected crawler.

This tester implements common robots.txt matching behavior including wildcard *, end-anchor $, longest-match precedence, and Allow winning on equal specificity.