14,389 extensions found in Appearance

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Play HLS M3u8
Play HLS urls in-browser
Rated 2 out of 5
Play HLS m3u8
662 users
Cat-In-Tab
A cat that can walk around on your page
Rated 4.6 out of 5
AaronTz
658 users
Github Repository Size
Add repositories size to their GitHub summary band using the GitHub public API.
Rated 4.3 out of 5
Matthieu Harlé
658 users
WhatsApp Message Sender
Send personalized messages through WhatsApp™ Web.
Rated 3.7 out of 5
Yasya El Hakim
658 users
Wikipedia Peek
Shows previews of linked articles on Wikipedia pages.
Rated 4.4 out of 5
NiklasG
657 users
Improvements for Twitter
Easy Twitter/X full quality image and video downloading with custom filenames, easy copying tweets with VXTwitter or FXTwitter links, sidebar and tweet button hiding, and other quality of life features!
Rated 4.9 out of 5
usy
650 users
Bookmark Tree for Tree Style Tab
Bookmark and restore Tree Style Tab data.
Rated 4.5 out of 5
Lej77
650 users
Selection Translate - For AltKey
Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages.
Rated 2.5 out of 5
dfromytb
648 users
Bookmarks Commander
A two-panel bookmarks manager which is similar to the well-known Total Commander.
Rated 4.4 out of 5
Brian
647 users
Grayscale Bro
A minimal Firefox extension for monochrome browsing. Supports dark theme and grayscale only on selected hostnames. [Notice: Doesn't work at mozilla pages]
Rated 4.5 out of 5
xpmn
644 users
SaveTabs
Saves URLs of open tabs into a text file.
Rated 3.3 out of 5
enchainingrealm
643 users
Internet Speed Tester
Speed Test Most Accurate Online Broadband Internet Speed Test
Rated 4.6 out of 5
OpenSpeedTest™️
641 users
Better YouTube Subtitles
Adds more customization options to YouTube subtitles.
Rated 4.8 out of 5
54ac
639 users
Disable Twitter/X Trends
Hides trends on Twitter/X
Rated 4 out of 5
Hexandcube
639 users
YouTube Fast Forward & Rewind
Fast Forward and Rewind YouTube videos by a customizable amount of seconds!
Rated 5 out of 5
Laskco
638 users
Remove Anything
Remove anything (objects or selected text) from any page via the right-click menu. This is intended to be a WebExtensions alternative to "Nuke Anything Enhanced." Almost all of its features are supported, and the undo/redo system has been improved.
Rated 4 out of 5
RoadrunnerWMC
637 users
AO3 Enhancement Suite
An extension that aims to improve upon the already great experience on AO3 by adding various additional features.
Rated 4 out of 5
Loren
636 users
Download Accelerator and Manager
Easily manage and accelerate your downloads up to 5 times!
Rated 3.6 out of 5
Martin
632 users
IMDb Search (Internet Movie Database)
Select some text, right-click and choose "Search in IMDb" in the menu, a new tab will open with the searched text in IMDb (all topics).
Rated 4.8 out of 5
Doc Malkovich
630 users
Google Classroom Dark Mode
Transform Google Classroom into a cooler dark version!
Rated 5 out of 5
Zekerocks11
628 users
Very Simple Notepad
This is a Very Simple Notepad. Good for everything. Just jot down your Ideas or notes so you don't forget them. Very helpful. Saves when you close it. Saves and works on all tabs. If you can support, please do so at PAYPAL.ME/USEFULPROGRAMMER
Rated 4.9 out of 5
Useful Programmer
627 users
Hello, Roblox!
Return the old greeting that we all missed!
Rated 4.9 out of 5
The_Woozoo
626 users
YouTube Dark Mode Pro
Bring the dark theme to YouTube. This mode will reduce eyestrain and protect your eyes.
Rated 4.1 out of 5
HiSoft
622 users
BeeLine Reader
BeeLine's color gradient makes reading faster/easier for over 90% of people. How much will it help you?
Rated 3 out of 5
BeeLine Reader
621 users
FuckCSDN
Clean CSDN's limitation scripts 清理CSDN限制脚本
Rated 4.5 out of 5
Firefox user 14476737
618 users