Product guide
Privacy
The tool calculates and creates files in your browser. It needs no account and does not send your input to Chapa Lab.
Privacy by design
- 01
There is no account or analytics. Google AdSense remains blocked until you accept advertising.
- 02
The data is processed in the browser and is not sent to Chapa Lab.
- 03
Language preferences remain only during the session.
- 04
Downloads are generated on the device under the user's control.
Your data stays on this device
Paste your robots.txt and try a route
The tool calculates and creates files in your browser. It needs no account and does not send your input to Chapa Lab.
- Your inputs
- Contents of robots.txt · local route · User-agent
- What you do
- The data is processed in the browser and is not sent to Chapa Lab.
- What you get
- Downloads are generated on the device under the user's control.
- You choose advertising
- We use only necessary storage to remember your choice. Google AdSense loads only if you accept advertising.
Responsible scope
Sources and scope
robots.txt is not authentication, security, or a deindexing command. The simulator implements a practical subset of RFC 9309 and does not query remote URLs.