BloX is a browser extension that tracks and showcases users who have blocked you on X (formerly Twitter). It provides a collapsible interface panel on all X pages, a Trophy Room for your top blockers, and tools to backup and restore your blocker data.
- Tracks users when a comment from a blocker is encountered
- Lookup conversation history with blockers
- Add blockers to the Trophy Room to showcase your top 10 blocks
- Backup and restore your blocker list and Trophy Room
- Works on both desktop and mobile browsers
Trophy Room with Settings (Desktop)

Trophy Room with Settings (Mobile)

- Download the latest ZIP release from Releases.
- Open Chrome and navigate to
chrome://extensions/. - Enable Developer mode (toggle top-right).
- Click Load unpacked and select the extracted folder from the ZIP.
- Download the latest ZIP release from Releases.
- Open Quetta Mobile, go to Settings → Extensions, and scroll to the bottom and select Developer options.
- Enable Developer mode (toggle in the upper right).
- Tap (from .zip/.crx/.user.js) and select the downloaded ZIP file.
- The extension will now be installed and appear in your Quetta extensions list.
- Download the latest CRX release from Releases.
- Download and install Firefox Nightly:
- Install the CRX Installer add-on from Mozilla Add-ons.
- Go to
about:configin the address bar and disablexpinstall.signatures.requiredto allow unsigned extensions. - Open CRX Installer from the Firefox extension menu, tap Choose File, and select the downloaded CRX file, a prompt will appear to install the extension.
- The extension will now appear in your add-ons list and is active.
- Download the latest CRX release from Releases.
- Download and install Firefox Nightly:
- Install the CRX Installer add-on from Mozilla Add-ons.
- Go to
about:configin the address bar and disablexpinstall.signatures.requiredto allow unsigned extensions. - Open CRX Installer from the Firefox extension menu, tap Choose File, and select the downloaded CRX file — it will automatically create a
.xpifile. - Enable the Debug menu in Firefox Nightly:
- Go to Settings → About Firefox Nightly.
- Tap the Firefox logo multiple times until you see “Debug menu enabled”.
- Go back to Settings → Install extension from file, and select the
.xpifile that CRX Installer created. - The extension will now appear in your add-ons list and is active.



