Free tool
Robots.txt Tester
Fetch and test robots.txt rules with CORS awareness.
CORS awareInstantNo uploads
Why it helps
Check rules
Inspect allow/disallow rules quickly.
Browser-only
Some sites block CORS, so results may be limited.
Robots
Robots.txt tester
CORS aware
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.