When active, the extension provides several critical improvements over standard browser behavior:
By running source code locally rather than from a remote server, the extension offers a more secure environment for MEGA's zero-knowledge encryption to operate. Current Availability Status
The MEGA Pass password manager extension remains available and supported on Firefox for users looking to manage secure credentials. Recommended Alternatives for Firefox Users mega nz extension firefox
Users are advised against using older, unmaintained versions of the extension (such as version 4.2.1 from 2021) that may still be found on third-party sites, as these have not been reviewed for years and may not function with current MEGA updates.
If you primarily use Firefox and need the performance of the MEGA extension, consider these official alternatives: If you primarily use Firefox and need the
The was originally designed to optimize file transfers and improve security for users of the MEGA cloud storage platform . However, as of early 2025, the official extension is no longer available in the Firefox Add-ons store because Mozilla's lengthy review process—which can take over four weeks—is incompatible with MEGA's weekly update schedule.
MEGA has officially ceased support for the Firefox extension due to the 4-week review delay imposed by Mozilla. The extension stores MEGA’s source code (HTML, CSS,
The extension stores MEGA’s source code (HTML, CSS, and JavaScript) locally on your machine. This eliminates the need to download and verify the site's code from the web every time you visit, leading to significantly faster page loads.
