Install the FatRat extension
Right-click any link and choose "Send link to FatRat" to open it in your FatRat web interface, ready to add.
After installing it, reload this page to connect it to your FatRat.
Connect the extension to
The extension will send links to this FatRat web interface.
The extension opened its settings in a new tab — check the address there and click Save.
The extension is installed
To connect it, open Settings → Web Interface in your FatRat web UI and click Set up the browser extension…