10,130 extensions found in Appearance

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Make America Kittens Again
Replaces images of Donald Trump with kittens, because seriously, f*** that guy.
Rated 4.3 out of 5
tomroyal.com
1,096 users
Vim Vixen
Accelerates your web browsing with Vim power!!
Rated 4.7 out of 5
Shin'ya Ueoka
1,094 users
YTBlock - Block any content from YouTube™
Block any unwanted content from YouTube™
Rated 4.4 out of 5
Edoan
1,090 users
JSON Viewer
Просмотр JSON файлов прямо в браузере
Rated 3.3 out of 5
li0ard
1,088 users
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
Rated 4.6 out of 5
Luke Peters
1,087 users
Pywalfox
Dynamic theming of Firefox using your Pywal colors
Rated 4.4 out of 5
Fredrik Engstrand
1,082 users
NonStop YouTube™
YouTube running non stop No video paused continue watching, No video ads
Rated 4.3 out of 5
codehemu
1,079 users
Onion Browser Button
Easily browse the internet using TOR proxy with just one click!
Rated 3.6 out of 5
Benthum
1,077 users
Cookies
Turn on/off global browser cookies through the tap of a button. Note: Requires Firefox 59.0+) Nightly users please use Beta/Pre-release version.
Rated 3.7 out of 5
Happy-Ferret
1,074 users
Text to Speech (TTS)
A text to speech tool with natural sounding voices.
Rated 2 out of 5
Alexey Kuznetsov
1,074 users
Better BTTV
Extend your BTTV experience with new features!
Rated 2.6 out of 5
Sky
1,067 users
Force Paster
This extension pastes your text even where pasting is disabled.
Rated 3.9 out of 5
Pratyush Vashisht
1,066 users
Tab Unloader for Tree Style Tab
Tab unload options for Tree Style Tab.
Rated 4.8 out of 5
Lej77
1,058 users
VisusGG
VisusGG, a browser extension by x3picF4ilx (Bytenote) & MrMaxim, aims to improve the user experience on FACEIT's platform.
Rated 5 out of 5
Bytenote
1,056 users
Reader Mode
Change the currently opened tab to reader mode if available.
Rated 4.7 out of 5
Nabendu
1,041 users
Notion Boost
Boost Notion productivity with features like outline,small text & full width by default,hide comments & help button,bolder text etc
Rated 4.9 out of 5
Gourav Goyal
1,038 users
YouTube paid promotion hider
Hide the "Includes paid promotion" banner on YouTube thumbnails
Rated 4.7 out of 5
Dm3
1,031 users
Resize Window & Viewport
Resize browser window or viewport to desired screen widths. Firefox's Responsive Design Mode (Ctrl + Shift + M) is great for mobile devices emulation.
Rated 3.2 out of 5
Moris Papasmadov
1,029 users
tumblr video downloader and enhancer
+ download to video player; + volume slider; preview supported; Disclaimer: This is not an official Tumblr app.
Rated 3.9 out of 5
orochi.chenkai
1,019 users
Prettier Lichess
Lichess, but prettier.
Rated 4.9 out of 5
noahsemus
1,018 users
Reddit Comment Collapser
A more elegant solution for collapsing reddit comment trees. Reddit Comment Collapser is free and open source. Contributions welcome - https://github.com/tom-james-watson/reddit-comment-collapser
Rated 4.9 out of 5
tomjwatson
1,015 users
GaiaUpgrade
A third-party tool to improve interacting with GaiaOnline.
Rated 4.6 out of 5
gaiatools.com
1,014 users
YouTube use Flash Player
Force YouTube to use Flash player over the HTML5 player
Rated 4.5 out of 5
James Fray
1,009 users
Slither.io Mods, Zoom, Unlock Skins, Bots
The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots
Rated 4 out of 5
Firefox user 13052225
1,008 users
Soundgasm Downloader
Adds a download button to Soundgasm
Rated 4.4 out of 5
SleepyDev
1,007 users