17,888 extensions found in Appearance

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DesktopHut Live Wallpapers Tab Pro
Set live video wallpapers from desktophut.com directly onto your Firefox New Tab page, with bookmarks and search!
Rated 3.8 out of 5
DesktopHut
393 users
Open Image in New Tab
Customizable context menu item for opening images in a new tab. No icon is shown in the context menu. The following options are currently available: * Open tabs in background (don't focus newly opened tab) * Open image next to current tab
Rated 4.5 out of 5
robines
388 users
Show YouTube Upload Date
Shows upload date of YouTube video, regardless of window size.
Rated 2 out of 5
Trevor Raney
386 users
FACEIT Visuals
FACEIT Visuals helps the user for better experience on the platform
Rated 1 out of 5
shadi
385 users
PDFmyURL save webpages as PDF
Saves any WebPage as PDF quickly with a click on the PDFmyURL button.
Rated 2.3 out of 5
PDFmyURL
383 users
ReYohoho
Open ReYohoho directly from kinopoisk.ru or shikimori.one
Rated 5 out of 5
reyohoho
383 users
Dogpile Search
Search using Dogpile directly from Firefox.
Rated 4.4 out of 5
Paul
382 users
ZeroBlur
Blur any sensitive information from any website or web app. Keep data safe when delivering demos or recording videos!
Rated 4.4 out of 5
DivByZero
381 users
Search with Google Map
Right-click to search the selected text with Google Map
Rated 5 out of 5
Shing Lyu
381 users
Tota11y: Accessibility toolkit
Inserts the tota11y JS file from Khan Academy into the current tab so that you can visualize how the current page performs with assistive technologies. All the credit goes to Khan Academy for their amazing script.
Rated 4.3 out of 5
Bogdan Lazar
380 users
MPT Fullscreen
Makes the Browser Fullscreen when opened.
Rated 3.2 out of 5
Mejía Polanco Technology Solutions
380 users
Text Editor
A free, highly customizable text and code editor for your browser.
Rated 4 out of 5
Sevina
379 users
Wtyczka tb7.pl
Wtyczka do serwisu tb7.pl to szybsze wklejanie linków do ściągnięcia bez konieczności ich kopiowania.
Rated 4 out of 5
tb7.pl
378 users
SSHY-selainlaajennus
Käyttöliittymäparannuksia SSHY:n sivuille
Rated 5 out of 5
Kari K
377 users
YoutubeDL-Material
The official Firefox extension of YoutubeDL-Material, an open-source and self-hosted YouTube downloader.
Rated 3.4 out of 5
tzahi12345
377 users
Simple Close Tab button
Adds a Close Tab button to the toolbar.
Rated 4.7 out of 5
amokk
376 users
H264 Convert
Speed up ur videos!
Rated 4.1 out of 5
ImADev
376 users
Night Mode Pro
Switch to night mode and the display is much easier on your eyes!
Rated 3.9 out of 5
Elen
375 users
MathML-fonts
Fonts for Mozilla's MathML engine.
Rated 4.2 out of 5
Frédéric Wang Nélar
375 users
GIFs for GitHub
Easily search GIPHY to add a GIF into any Github comment box.
Rated 5 out of 5
Nick
374 users
Center Pages
Center-Pages allows you to narrow wide pages to the center of your screen. Center-Pages simply adds a margin to the sides, which you can increase/decrease via two buttons.
Rated 4.3 out of 5
Felix Meyer-Wolters
373 users
Font Size Decrease
Increase the font size on the current page with a single click.
Rated 5 out of 5
Stefan vd
373 users
Cyberfeeder
UI/UX improvements for jinteki.net.
Rated 5 out of 5
Rhahi
372 users
Google Art Project
Art Project masterpieces from Google Cultural Institute in your Firefox's new tabs WebExtension replacement: https://addons.mozilla.org/en-US/firefox/addon/new-tab-time-date/
Rated 2.9 out of 5
Jeremy Schomery
371 users
Wattpad Copy
Allows to copy text on Wattpad.
Rated 5 out of 5
LxonWWW
370 users