Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16,971 users
Mobile View Switcher
Switch to mobile view with one click via toolbar button.
13,055 users
Don't "Accept" image/webp
This extension removes image/webp and/or image/avif from the list of formats Firefox tells sites that it accepts. That discourages many servers from replacing JPEG and PNG images with WebP/AVIF. (But some may send them anyway; they aren't blocked.)
23,622 users
2,867 users
Steam URL Opener
Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser (with a single click on a button).
4,956 users
772 users
Wanteeed
Wanteeed, c’est ton nouvel allié shopping pour payer le prix juste sur tous tes achats en ligne ! Économise sur tes boutiques favorites en cumulant codes promo et cashback et compare les différents prix du web pour encore plus de réductions 🤩
28,276 users
Bulk Media Downloader
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
17,468 users
Calendly: Meeting Scheduling Software
Eliminate the back-and-forth of scheduling. Manage your meetings, scheduling links, and contacts — all in one place, from wherever you’re already working online.
10,110 users
Forest: stay focused, be present
Stay focused in a pleasant way.
18,509 users
Download with Free Download Manager (FDM)
when activated, interrupts the built-in download manager to direct links to FDM
3,421 users
解除禁止复制
解除网页的禁止复制
1,582 users
Momentum
Replace your new tab page with an all-in-one productivity dashboard. Featuring daily inspiration, focus reminders, to-do lists, local weather info, and more!
32,474 users
Адаптер Рутокен Плагин
Позволяет использовать Рутокен Плагин
24,096 users
Language: Português (BR)
Firefox Language Pack for Português (BR) (pt-BR) – Brazilian Portuguese
587,240 users
Temp Mail - Disposable Temporary Email
Temporary disposable email address. Protect your email from spam, bots and phishing with Temp-Mail.
8,140 users
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
21,782 users
Méliuz: Cashback e cupons em suas compras
Adicione o Méliuz e ganhe mais dinheiro de volta em suas compras online! A extensão do Méliuz te avisa quando você está comprando em uma loja parceira e, com apenas um clique, você ativa o dinheiro de volta.
18,762 users
Flag Cookies
A cookie, and browser storage manager with cow powers!
12,050 users
Joko: cashback & coupons
Get cashback & coupon codes automatically on all your online purchases thanks to the Joko extension.
6,708 users
Y2mate Video Downloader
ytmate.tools is a converter & downloader can deal with videos from YouTube, Facebook, Video, Dailymotion, Youku, etc. to Mp3, Mp4 in HD quality. Ytmate supports downloading all video formats such as: MP4, M4V, 3GP, WMV, FLV, MO, MP3, WEBM, etc.
1,539 users
Bright VPN - Secure Private & Free VPN Proxy
Bright VPN desktop app remote controller. Bright VPN is easy to use, no email or credit card is required to use the VPN proxy.
1,886 users
Tab Volume
Control your tab volume.
3,301 users
Libby Download
Libby Downloader is a Firefox extension that allows for download and transfer of audiobooks from the Libby website to unsupported devices.
1,550 users
Copilot Launcher Button
A very simple launcher that adds a Copilot button to the toolbar. When you click the button, the Microsoft Copilot website will open in a new tab.
1,404 users