Latest Version:
1.1 Updated:
7 years ago
Ready to install?
BlockMask is available to install from Firefox Add-ons Store and for download from this page.
Available versions
You can find the current and older versions of BlockMask here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 1.1 | XPI · ZIP · Source code | 744.78KB | 0 | 2019-08-09 |
1.1 744.78KB
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the BlockMask ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the BlockMask ZIP file from step 1. BlockMask is now installed on your browser.
Best BlockMask Alternatives
Here are some Firefox add-ons that are similar to BlockMask:
Mask Network
Dimension
Mirror Block
가을별
ChainMail - Decen Messaging
EmperorMew
NewMask
Cosmic Velocity
Mobile Mask
Smith Jac
NFTBlocker for Twitter
theo546
Core Protect
Matthew Jurenka
HSverify
arrase
MoacMask
MoacDev
BlockGuard
LevCon International
Twitter filtered
Miles Seventh