SEP Firefox

Download SEP

Download SEP (current and past versions) for Firefox
Latest Version: 2.0 Updated: 7 years ago Removed

Ready to install?

SEP is available for download. Be careful when installing it.
View source code

Available versions

You can find the current and older versions of SEP 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
VersionDownloadSizeDownload countTimestamp
2.0XPI · ZIP · Source code61.21KB02019-05-13
2.0 61.21KB
2019-05-13 · 0 downloads

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 SEP ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the SEP ZIP file from step 1. SEP is now installed on your browser.

Best SEP Alternatives

Here are some Firefox add-ons that are similar to SEP: