Language: Aragonés (Aragonese)
Firefox Language Pack for Aragonés (an) – Aragonese
140,604 users
Language: Gàidhlig (Scottish Gaelic)
Firefox Language Pack for Gàidhlig (gd) – Scottish Gaelic
140,569 users
Language: Interlingua
Firefox Language Pack for Interlingua (ia)
140,484 users
Language: Occitan
Firefox Language Pack for Occitan (oc)
140,445 users
Language: IsiXhosa (Xhosa)
Firefox Language Pack for IsiXhosa (xh) – Xhosa
140,441 users
Language: Acholi (Acoli)
Firefox Language Pack for Acholi (ach) – Acoli
140,382 users
Language: Hornjoserbšćina (Upper Sorbian)
Firefox Language Pack for Hornjoserbšćina (hsb) – Upper Sorbian
140,375 users
Language: Guarani
Firefox Language Pack for Guarani (gn)
140,334 users
Language: Taqbaylit (Kabyle)
Firefox Language Pack for Taqbaylit (kab) – Kabyle
140,289 users
Language: Kaqchikel
Firefox Language Pack for Kaqchikel (cak)
140,267 users
Language: Rumantsch (Romansh)
Firefox Language Pack for Rumantsch (rm) – Romansh
140,185 users
Language: Ligure (Ligurian)
Firefox Language Pack for Ligure (lij) – Ligurian
140,063 users
Language: Pulaar (Fulah)
Firefox Language Pack for Pulaar (ff) – Fulah
140,010 users
Language: Dolnoserbšćina (Lower Sorbian)
Firefox Language Pack for Dolnoserbšćina (dsb) – Lower Sorbian
140,001 users
Language: Soŋay (Songhai)
Firefox Language Pack for Soŋay (son) – Songhai
139,977 users
YouTube Video and Audio Downloader (WebEx)
Download YouTube videos in all available formats and extract the original audio files
139,599 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
139,159 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
138,763 users
ESET Browser Privacy & Security
Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more.
138,693 users
136,732 users
EPUBReader
Read ePub files right in Firefox. No additional software needed!
136,680 users
Language: Tagalog (Filipino)
Firefox Language Pack for Tagalog (tl) – Filipino
133,833 users
Language: Triqui
Firefox Language Pack for Triqui (trs)
133,397 users
Language: Ślōnsko (Silesian)
Firefox Language Pack for Ślōnsko (szl) – Silesian
132,991 users
Language: Scots
Firefox Language Pack for Scots (sco)
132,413 users