13,661 extensions found in Appearance

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Text to Speech (TTS)
A text to speech tool with natural sounding voices.
Rated 2 out of 5
Alexey Kuznetsov
1,110 users
Open in Reader View
Easily access to the reader-view from right click context menu
Rated 4.6 out of 5
tlintspr
1,105 users
Save my Password
On some pages, Firefox won't ask you to store your login information. Using this add-on you can force Firefox to remember your password! This add-on is NOT a password manager!
Rated 4.7 out of 5
Juraj Mäsiar
1,098 users
ProtonMail Launcher
A simple extension to open ProtonMail from the toolbar.
Rated 5 out of 5
PyroDonkey
1,097 users
Twitch Chat Danmaku
Display the chat as danmaku(chat overlay) with fully customizable settings, compatible with emoticons!
Rated 3.9 out of 5
wheatup
1,093 users
Web Component DevTools
Developer tooling for Web Components and Web Component Libraries
Rated 5 out of 5
Matsuuu
1,093 users
Show External IP
Detects and shows your current external IP address in a convenient panel.
Rated 4.6 out of 5
Lewis Roberts
1,092 users
Quick JIRA
Quickly opens the JIRA with the corresponding ticket
Rated 4.8 out of 5
timbru31
1,087 users
stutter
A Rapid Serial Visual Presentation (RSVP) extension for modern web browsers that allows for full page and selected text speed-reading of web content.
Rated 4.6 out of 5
James Tomasino
1,080 users
Smart Reader - Bionic Reader
Modify a web page to make it more readable by bolding the beginning of a word (like bionic reading).
Rated 4 out of 5
Poucous
1,064 users
Dark Mode Website Switcher
Adjusts the website's color scheme, so that all websites are dark by default, if they have a special design for that. It makes websites look dark even with a light system style.
Rated 4.1 out of 5
rugk
1,059 users
Prettier Lichess
Lichess, but prettier.
Rated 4.9 out of 5
noahsemus
1,059 users
Bandcamp Tempo Adjust
An extension to adjust audio pitch on bandcamp
Rated 5 out of 5
miseryconfusion
1,056 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
1,050 users
Pokémon Showdown FR
Pokémon Showdown traduit intégralement en français !
Rated 5 out of 5
Sykless
1,048 users
QR Code Generator
Generate QR code from any text and save it as an SVG image
Rated 5 out of 5
keller
1,043 users
Make America Kittens Again
Replaces images of Donald Trump with kittens, because seriously, f*** that guy.
Rated 4.3 out of 5
tomroyal.com
1,043 users
Save to Trello
This firefox extension allows you to Create a Trello card from any webpage (including Gmail/webmail) / Ideal for Inbox Zero. You can save the current page to Trello. When you find something in Firefox that you want to view later put it in Trello.
Rated 4.7 out of 5
Arnaud LEMERCIER
1,039 users
Elden Email
Shows an Elden Ring banner when you send an email
Rated 4.6 out of 5
mettignis
1,035 users
YouTube to NotebookLM
Send YouTube to NotebookLM. Save videos, sync YouTube channel to NotebookLM, and manage any NotebookLM video easily
Rated 5 out of 5
Dima
1,035 users
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
Rated 4.6 out of 5
Luke Peters
1,034 users
ÉcoleDirecte ++
Cette extension permet de forcer EcoleDirecte à afficher les données sur vos notes que votre établissement à demandé à ne pas afficher comme les classements ou moyennes générales. Code source: https://github.com/Max1Truc/ecoledirecte-plus-plus
Rated 3.9 out of 5
Max1Truc
1,034 users
Custom UserAgent String
Add a custom useragent string for desired URLs or domains.
Rated 3.6 out of 5
Linder
1,031 users
GaiaUpgrade
A third-party tool to improve interacting with GaiaOnline.
Rated 4.6 out of 5
gaiatools.com
1,030 users
Sentence Stepper
Step through page text sentence by sentence.
Rated 5 out of 5
carladevv
1,025 users