Best Firefox Extensions for Gmail in 2026
The best Firefox extensions for Gmail in 2026, all available on Firefox Add-ons: faster shortcuts, read receipts, dark mode, notifications, encryption and more.
Superhuman for Firefox: The Closest Alternative
There is no Superhuman extension for Firefox. Here is the closest way to get Superhuman-style speed inside Gmail on Firefox, for a fraction of the price.
CMDK Is Now on Firefox
CMDK is now on Firefox. Get Gmail keyboard shortcuts, read receipts, snooze, snippets and a command bar in Firefox, with the same features as the Chrome version.
CMDK vs Notion Mail: Where to Go After the Shutdown
Notion Mail shuts down September 22, 2026. Here is how its views, snippets and scheduled sends map to CMDK inside Gmail, and what to export first.