Your files stay on your device

robots.txt tester

Paste-in rules with RFC 9309 longest-match verdicts per path.
Clearrobots.txt contentUser agent

Exact match first, then * groups (RFC 9309).
Paths (one per line)

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.

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All web & auth tools (/web)

Canonical HTML: https://nutter.tools/web/robots/
Markdown version: https://nutter.tools/web/robots/index.md
Plain-text version: https://nutter.tools/web/robots/index.txt
Agent index: https://nutter.tools/llms.txt