Pengaya

Leet Key oleh Roman Mironenko

Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...

Personas Shuffler oleh Diego Casorran

Change your Personas theme on each browser load.

Catatan Kolektor The more adventurous of you might want to try Personas Rotator, which swaps themes every 30 seconds rather than at startup.

Play drums! oleh Didier Lafleur

Just… play drums with your keyboard!

Catatan Kolektor Be sure to read the privacy policy before installing! In a nutshell: you agree to be "tracked" so they can show you ads they think you're more likely to click on.

More About oleh Schuzak

Adds "about:" menu and button.

Catatan Kolektor Links to about: pages within Firefox, including two easter eggs: about:robots and about:mozilla (“The Book of Mozilla”).

PONG! Multiplayer oleh Captain Caveman

Play a game of PONG! while you are waiting.

Catatan Kolektor The 1-player mode still works, but to play it you need to install a compatibility check override first, restart Firefox, and look for the game in the "tools" menu.

Super Mario Cross oleh PegasusApps

The legendary arcade game that has survived the ages and can still be found today in modern arcades. You may have played this game when you were a kid and want to have a bit of fun remembering what it was like.

Catatan Kolektor This is version 1.1 of the game (not sure what changed), here's version 1.0. Appears to be a re-make of some sort.

Anaglyph 3D oleh Internauta1024A

Convert image to 3d image (anaglyph).

Catatan Kolektor Trippy...

HashColouredTabs+ oleh John P Baker

Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★

Foxfiltre oleh Internauta1024A

Adds a many graphic filters to the main context menu.