Your files stay on your device
robots.txt tester
Paste-in rules with RFC 9309 longest-match verdicts per path.
Exact match first, then * groups (RFC 9309).
Longest matching rule wins; allow wins ties.
Paste a robots.txt and a path list: the tester implements longest-match with wildcards and $ anchors.
Paste, drop, or type to begin. Everything stays on this device.