Most Popular Extensions

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Complete YouTube Saver Requires Restart

Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder

Rated 4 out of 5 stars (185)

121 users

Silent Block

Minimum and fast URL blocker.

Rated 4 out of 5 stars (31)

104 users

Customizations for Adblock Plus

This extension provides various customization options for the Adblock Plus user interface.

Rated 5 out of 5 stars (15)

99 users

Kaskus Quick Reply+ Requires Restart

provide a quick reply feature, under circumstances capcay required

Rated 5 out of 5 stars (6)

97 users

Password Exporter

This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.

Rated 4 out of 5 stars (551)

92 users

SQLite Manager Requires Restart

Manage any SQLite database on your computer.

Rated 4 out of 5 stars (354)

88 users

Private Tab

Adds private tabs.

Rated 5 out of 5 stars (312)

77 users

Download Status Bar

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (437)

76 users

Text2Link Requires Restart

Text2Link is a simple and easy-to-use way to copy the text of a link, or to open URLs and send emails to addresses not marked-up as HTML links.

Rated 4 out of 5 stars (41)

74 users

Simple Locale Switcher Requires Restart

An easier management of the user interface language

Rated 5 out of 5 stars (14)

72 users

Quick Locale Switcher Requires Restart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 3 out of 5 stars (88)

70 users

Diagnostics for Adblock Plus

Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.

Rated 3 out of 5 stars (4)

68 users

CuteButtons

Adds icons to buttons and/or menus.

Rated 4 out of 5 stars (95)

63 users

QuickNote Requires Restart

A simple note-taking extension.

Rated 5 out of 5 stars (204)

57 users

PlayFlash 32bit Requires Restart

Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (24)

57 users

Download for Windows

NetVideoHunter Requires Restart

This add-on is a downloader that lets you easily download videos from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...

Rated 4 out of 5 stars (538)

54 users

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (107)

54 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (25)

52 users

中止ボタンがサーニャに見えて困る Requires Restart

中止ボタンがサーニャに見えます。読み込み中は目が開きます。ただそれだけです。
エイラ「中止ボタンをそんな目で見んなああああぁぁぁぁ」

Not yet rated

52 users

Copy Plain Text 2 Requires Restart

Copies text without formatting

Rated 5 out of 5 stars (98)

50 users