12,566 extensions found in Appearance

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Twitter Print Styles
Simple print styles for saving Twitter threads as PDFs.
Rated 2.6 out of 5
Tanner Hodges
167 users
Search from Popup or ContextMenu
Fork of "Swift Selection Search". * Search by multiple search engines(GET or POST Method) at once * support folder management * support charset (UTF-8, RAW, Shift_JIS, EUC-JP, ISO-2022-JP, windows-1251, windows-1252(ISO-8859-1), Big5, GB18030).
Rated 4.8 out of 5
Yoshifumi Fuyuno
166 users
TabMerger
Merges your tabs into one location to save memory usage and increase your productivity.
Rated 3.9 out of 5
lbragile
166 users
Canopy GUI Enhancer
This extension enhance the standard CambiumNetworks Canopy Web GUI
Rated 5 out of 5
Cyb3r
166 users
e621downloader
Download and scrape e926/e621 pools and etc.
Rated 4 out of 5
Yusifx1
166 users
9gag video controls always on
On 9gag.com, sets the controls for video content to be shown by default.
Rated 4.9 out of 5
gavjmooney
166 users
HueHelper
Philips Hue lighting system management
Rated 3.5 out of 5
mig
165 users
Generator danych testowych
Generator polskich danych testowych umożliwiający wygenerowanie: NIP, REGON, PESEL, IBAN, KRS, EAN, serii i nr DOWODU OSOBISTEGO, nr karty kredytowej, domyślnego tekstu w różnych długościach, ciągu znaków, danych z pliku CSV oraz danych użytkownika.
Rated 4.4 out of 5
testerzy.pl
165 users
Bing to DuckduckGo
This extension redirects Bing’s searches to DuckduckGo. NOTE : This is an unofficial extension, not endorsed by DuckduckGo. Find official one here : https://addons.mozilla.org/fr/firefox/user/3946396/
Rated 4.9 out of 5
Louis Grasset
165 users
Timeneye widget
Track your time directly from Firefox in all your favourite tools.
Rated 2.6 out of 5
Timeneye
164 users
GitHub Isometric Contributions
Renders an isometric pixel view of GitHub contribution graphs.
Rated 4.9 out of 5
jasonlong
164 users
A11Y - Color blindness empathy test
Empathy test for color blindness and visual impairment. This add-on emulates 8 types of color blindness, plus grayscale to check the contrast of your website. https://vinceumo.github.io/A11Y-Color-Blindness-Empathy-Test/
Rated 3.7 out of 5
Vincent Humeau
164 users
Search Highlighter
Search and highlight keywords in any page via toolbar popup.
Rated 3.3 out of 5
Kelvin
164 users
Audio Converter
Convert any audio file to selected formats (i.e. mp3) inside your browser!
Rated 3.7 out of 5
Loori
164 users
YouTube Dislike Button Count
Adds the YouTube dislike count back to YouTube videos.
Rated 2 out of 5
MisterMajor
164 users
Wide GitHub
Change all GitHub repository and gist pages to be full width and dynamically sized.
Rated 4.7 out of 5
xthexder
164 users
Tab Numbering
This extension writes the tab number to the first eight tabs, the ones accessible with ctrl/cmd + number. See https://github.com/tuomassalo/tab-numbering for source code and for filing bug reports.
Rated 3.9 out of 5
Tuomas Salo
164 users
Goodbye Metrics
Goodbye Metrics allows you to hide key metrics on YouTube. You can block everything or just the ones that nag at you the most.
Rated 4.7 out of 5
Slow Growth
163 users
YouTube Unrounded Thumbnails
Removes round corners from YouTube thumbnails.
Rated 4.9 out of 5
Ben
163 users
Duolingo Dark Mode
Dark mode for Duolingo
Rated 4 out of 5
Lazypelt
163 users
Analog Clock
A simple analog clock on toolbar
Rated 4.8 out of 5
Shuichiro MAKIGAKI
163 users
Outside YouTube Player Bar
Display YouTube's player bar outside the video.
Rated 5 out of 5
1natsu
163 users
Bluesky - Cleanup Usernames
cleans all usernames of their extention on Bluesky
Rated 5 out of 5
Greendata
162 users
Clear New Tab
Remove everything from the new tab page and display any image, gif or video in it as a wallpaper.
Rated 4.9 out of 5
loftyshaky
162 users
Re-FreshView for YouTube
Hide YouTube videos you've already watched to easily discover fresh content.
Rated 3.7 out of 5
lozog
162 users