Extensões atualizadas recentemente
Flagfox Não precisa reiniciar
Mostra a bandeira do país de localização do servidor da página atual e provê várias ferramentas, como verificação de páginas seguras, whois, tradução, páginas similares, validação, redução de URL e mais...
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
Certificate viewer enhancements: PEM format view, trust configuration
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.
ReminderFox Em destaque
ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.
Theme Font & Size Changer Não precisa reiniciar
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Facebook Toolbar Button Não precisa reiniciar
Facebook Toolbar Button lets you visit your Favorite Facebook quickly and easily by adding a special Facebook Button to your Toolbar.
Copies the information from ScrapBook data items.
Tab Numbers Não precisa reiniciar
Keeps track of your browser tab number.
YouTube Flash Video Player Não precisa reiniciar
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
Google Hangouts Web Messenger Não precisa reiniciar
Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.
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.
Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.
YouTube High Definition Não precisa reiniciar
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
UnMHT Não precisa reiniciar
UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.
Open With Vivaldi Browser Não precisa reiniciar
Open With Vivaldi Browser sends pages from Mozilla Firefox to Vivaldi browser.
Simple YouTube MP3 Button Não precisa reiniciar
Adds a small and simple button to YouTube videos that allows you to quickly download the audio of the video as an MP3 file (quality of the MP3 is as high as the video offers) without having to leave the page.
WhatsApp Web Messenger Não precisa reiniciar
Whatsapp Web Messenger brings WhatsApp right into your browser to chat with your friends.
Live HTTP Headers (clone) Não precisa reiniciar
View HTTP headers of a page and while browsing.
This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!