The extension code remains open-source on the MEGA GitHub repository. Advanced users can theoretically load it in "developer mode" via about:debugging , though it may require manual patching to remain functional.
MEGA has officially ceased support for the Firefox extension due to the 4-week review delay imposed by Mozilla. mega nz extension firefox
When active, the extension provides several critical improvements over standard browser behavior: The extension code remains open-source on the MEGA
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
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.
The MEGA Pass password manager extension remains available and supported on Firefox for users looking to manage secure credentials. Recommended Alternatives for Firefox Users