17,722 extensions found in Appearance

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Video Converter
Convert any video file to selected formats (i.e. mp4) inside your browser!
Rated 4 out of 5
Loori
516 users
Force Reader View
This add-on forcibly activates the reader mode, adds a button to the toolbar, creates a keyboard shortcut, and integrates with native reader mode.
Rated 5 out of 5
LaXaRuS
516 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
513 users
Open PDF in Default PDF Reader (Instead of FF)
Open PDF links in your system's default PDF reader instead of the built-in browser viewer. Use Acrobat, Sumatra, Preview, or any external app with one click.
Rated 5 out of 5
Keven Lee
511 users
Close Tab Button Quantum
Toolbar button to close the current tab. Works on the newest version of Firefox. This is a replacement for browser.tabs.closeButtons feature set to '3' of old firefox.
Rated 3.8 out of 5
Firefox user 13510456
511 users
Hide Google Doodles
Hide Google Doodles for a less distracting search experience.
Rated 4.6 out of 5
Hide Doodles
510 users
Call a Number via Fritz!Box
Markieren Sie eine Telefonnummer auf einer Webseite oder in einer Email und Rufen diese über das Contextmenü direkt über die Fritz!Box an. Benötigt eine Fritz Box mit Firmware 5.5+ und aktivierte Wählhilfe.
Rated 2.9 out of 5
Rolle
510 users
Night Mode Eye Guard
Night mode to protect eyesight. Starting with version 3.1, optimizations for specific websites have been added, and users can also report websites that significantly affect vision for targeted optimization.(setting panel>"report to refine")
Rated 3.8 out of 5
dulab
509 users
Jira Persian improver
تجربه بهتر وب برای پارسی زبانان جهان
Rated 5 out of 5
Amirali Eshghi
506 users
minimal
A minimal, less attention grabbing, internet experience.
Rated 4.6 out of 5
AUPYA
506 users
DeviantArt Filter
Allows automatic filtering/removal of deviations from certain users
Rated 4 out of 5
Ryan Thaut
505 users
Image Downloader
Easily save all images in a website to a zip file with just one click!
Rated 2.5 out of 5
Muyor
505 users
Old Reddit Images
Displays linked images in comments on old Reddit.
Rated 5 out of 5
Matheus Lima
504 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
503 users
DTF ReReDesign
Правильный редизайн дтф
Rated 5 out of 5
Nikos7331
502 users
Remote tool bidbag auction bid sniper for eBay
Add-on for legal last second bidding of eBay auctions. bidbag users save at least 30% of the purchase over regular bidders when shopping in eBay. Create your account now under https://www.bidbag.us for USA or https://www.bidbag.co.uk for UK...
Rated 4 out of 5
bidbag Development
502 users
ScratchTools
Great tools to make Scratching easier!
Rated 3.8 out of 5
rgantzos
501 users
Focused YouTube
Stay focused by removing video suggestions and promotions from YouTube making it clean and distraction free
Rated 4.3 out of 5
dukevin
501 users
Open in Safari
Open current page, link, or all tabs in the Safari browser.
Rated 4.6 out of 5
Andy Portmen
499 users
Satsback.com: Earn bitcoin rewards
Earn bitcoin rewards when you shop online at more than 10K partner websites worldwide.
Rated 4.1 out of 5
Satsback.com
499 users
Old Google Logos And Icons
Brings back old Google apps logos and icons for Gmail, Drive, Calendar and Meet.
Rated 4.1 out of 5
omnidev0
498 users
Canvas Dark Mode
Dark Mode for Canvas.
Rated 4 out of 5
rtdegrandis
498 users
Twitter Lume Reskin
Popular Dark Lume userstyle for Twitter, redone as a Mozilla Firefox Addon.
Rated 5 out of 5
Trixille
498 users
QCLean:Remove Facebook Ads,Suggested Pages&Posts
Remove Ads, Suggested Pages and Posts on News feed of Facebook.
Rated 3.2 out of 5
Qing-Cheng Li
497 users
Landmarks
Landmark Navigation via Keyboard or Pop-up
Rated 4.8 out of 5
Matthew Tylee Atkinson
497 users