Pesticide
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
2,076 users
Font Changer
Font Changer allows you change the font of any website with your preferred Google Web Font quickly and easily. Just clicking the extension icon for the options.
2,062 users
Perapera Chinese Popup Dictionary
Put your mouse over any Chinese words on a webpage and it gives you the pronunciation and definition. Simple as that! As of version 2.1 PeraPera Chinese now supports Cantonese!
2,041 users
Youtube List View
Brings back the list view for the subscriptions page and more. Click the extension icon for customization options.
2,029 users
Auto Highlight
🟨 Auto Highlight will help you see what's important on the web! ✅ ⚡ Supports RegExp search and many style and highlight options ⭕ 🥷 Hide text by setting font size to zero! 🔄️ Synchronize highlighter rules across devices.
2,027 users
Print/Print Preview Context
Adds Print, Print Preview and Save as PDF commands to the context menu.
2,023 users
BlockDistraction – Block Site Extension
Effortlessly block and redirect websites with customizable rules to stay focused and productive.
2,017 users
Pulltab Fullscreen - hide taskbar
this addon will give you a pulltab on the right side of your screen, it will put any website into fullscreen aka hide the address-bar. save space on your mobile device and make the user experience of most websites more similar to standalone apps!
2,005 users
Bring Twitter Back
Turns X back to Twitter by replacing all instances of the logo, replacing the new names ("post," "repost," etc.) with their old ones, and replacing the "X" name with "Twitter" on tabs and on the website.
1,957 users
MUA Web Unicode Converter
It is a Firefox addons that will check web content and convert to Unicode encoded text if they are Zawgyi. It use Parabaik Converter and Myanmar Font Tagger Script(by Ko Thant Thet Khin Zaw).
1,903 users
AutoCopy
Copy the selected text only, when the mouse button is pressed for a specified time.
1,895 users
Change Timezone (Time Shift)
Easily change your timezone to a desired value and protect your privacy.
1,890 users
Old Twitter Layout (2026)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2026!
1,886 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1,851 users
