Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
2,863 users
Open in Foxit™ Reader
Adds a context menu item to send PDF links directly to Foxit™ Reader
2,862 users
YouTube LiveChat Flusher (Danmaku Chat)
Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.
2,858 users
App for Spotify™
An easy-to-use and lite App for Spotify Music Player.
2,856 users
Multi-touch Zoom
Not needed in latest FF Adds missing feature of Firefox: Smooth zooming with the pinch gesture on a trackpad Non-multi-touch users can still smooth zoom by scrolling and holding down the SHIFT key Thanks to Marek Polakovic for the gesture icon
2,853 users
2,852 users
English - Greek Spelling dictionary
English-Greek spell-checking dictionary for Firefox, Mozilla thunderbird and Seamonkey mail for easier spell checking in bilingual text.If you need better spelling results try the respective stand-alone...
2,850 users
YouTube to MP3 Downloader
This extension add a download button on any Youtube page and allows you to download MP3 & Video with just one click.
2,849 users
Zoom Recording Downloader
Download zoom recordings from your browser
2,847 users
Postlight Reader
Clear away the clutter from all of your articles. Instantly.
2,843 users
Vkontakte Download
Скачать музыку с VK (vk.com), Вконтакте. Скачивание плейлистов и треков Артиста. Кнопка "Скачать" возле каждой песни. История скачивания.
2,839 users
Workona Spaces & Tab Manager
Workona helps you get your work under control and finally feel organized. Use it to manage tabs, organize projects, and bring together all of your work in the browser. Watch the video here: https://workona.com/videos/tab-manager
2,836 users
Theater Mode for YouTube™ (YouTube Wide Screen)
Force YouTube to open in its player in the theater mode
2,835 users
LiveReload - Web extension
Web extension based version of LiveReload. Supports Firefox 57 (Firefox Quantum)
2,834 users
HTML5 Video Everywhere
Replace video player with Firefox native video player
2,831 users
AVJT - Assistente Virtual para Justiça do Trabalho
O AVJT - Assistente Virtual para Justiça do Trabalho é um recurso de Acessibilidade para servidores com capacidade motora reduzida da Justiça do Trabalho que visa a facilitar a operação dos principais sistemas (PJe, Consultas, Pesquisas, E-mail...).
2,825 users
2,820 users
OpenVideo - ad-free streaming
Watch all of the videos - but none of the ads! (...even on sites which block adblockers) OpenVideo creates a safe space on every video playing webpage - ideal for streaming sites bloated with ads and malware!
2,818 users
2,816 users
Proxy Switcher and Manager
Manage and switch between multiple proxies quickly and easily through profiles
2,813 users
SignalHire - find email or phone number
SignalHire extension helps to find emails and phone numbers on LinkedIn and other social and business networks
2,812 users
Yandex Wordstat Assistant
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
2,811 users
Half Bold
A tool to help people with ADHD improve their reading focus and comprehension.
2,810 users
JSON-formatter
Fast JSON formatting.
2,808 users
HyperChat [Improved YouTube Chat]
Improved YouTube chat with CPU/RAM optimizations, customization options, and cutting-edge features!
2,807 users