Add-ons

Silvermel by ShareBird

A Creamy Silvery Experience

JavaScript Debugger by James Ross, Robert Ginda, others

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Český slovník pro kontrolu pravopisu by Mozilla.cz

Slovník pro kontrolu pravopisu pro aplikace Mozilla

Collector's Note Nejdůležitější doplněk :)

Leet Key by 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...