9,111 extensions found in Appearance

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Modify Header Value
Add, modify or remove a header for any request on desired domains.
Rated 4 out of 5
Milen
11,596 users
Pixiv Toolkit
Convert ugoira to gif or/and webm, pack manga for downloading and download novel on Pixiv.
Rated 4.7 out of 5
Leo Ding
11,513 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 60,000+ language learners.
Rated 5 out of 5
Darius Jahandarie
11,434 users
Tile Tabs WE
Take tabs from parent windows and arrange them in layouts of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.
Rated 2.9 out of 5
DW-dev
11,249 users
SocialFocus: Hide Distractions
Block feed, shorts, related and other distractions on time-wasting sites like Instagram, Facebook, YouTube, Twitter, Reddit, LinkedIn...
Rated 4.5 out of 5
Yevhen Tretiakov
10,758 users
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
Rated 4.2 out of 5
Joe Ertaba
10,605 users
Mp3 Downloader for SoundCloud™
Add download link to all SoundClould tracks
Rated 4.3 out of 5
tlintspr
10,455 users
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
Rated 4.3 out of 5
Gustavo Silva
10,257 users
YouTube MP4
View YouTube videos in raw MP4 format. Get notifications about available videos and formats.
Rated 4 out of 5
ytmp4
10,208 users
New Tong Wen Tang
Traditional and Simplified Chinese Converter
Rated 4.5 out of 5
t7yang
10,025 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
Rated 4.3 out of 5
tazeat
9,926 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
Rated 4 out of 5
Geoff Lankow
9,731 users
Adaware AdBlock
By blocking annoying ads and nosy trackers, Adaware AdBlock nearly doubles your browsing speed! And with the most robust antivirus-level cloud-scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber-threats.
Rated 3.9 out of 5
Adaware
9,443 users
Youtube Ad Auto-skipper
Youtube Ad Skipper is an extension that auto skips ads after youtube provides a skip ad button. It does not block an ad.
Rated 4.4 out of 5
Shreya Dahal
9,329 users
Yandex Evolution - Поиск Яндекс
Popular Russian search engine by Yandex (Яndex, Яндекс)
Rated 3.4 out of 5
Savevur
9,294 users
Clickbait Remover for Youtube
Replaces thumbnails and modifies titles of videos on youtube.com and m.youtube.com
Rated 4.8 out of 5
Pieter van Heijningen
9,251 users
Save Screenshot
Saves the current page as image file or copies it to clipboard.
Rated 4.5 out of 5
Manuel Reimer
9,169 users
Always on Top
Sets "Always on Top" style for your Firefox window
Rated 3.7 out of 5
Vasyl Maherka
9,137 users
Open Link with New Tab
Open the link in a new tab depending on the setting.
Rated 3.6 out of 5
sienori
9,061 users
Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
Rated 4.5 out of 5
Perry Naseck
8,943 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
Rated 4.3 out of 5
Pavel Agarkov
8,868 users
Text Link & Google Translate
Non linked URL open with double click. and Google translate.
Rated 4.5 out of 5
nepon
8,848 users
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
Rated 4.8 out of 5
Sindre Sorhus
8,735 users
Temp Mail - Disposable Temporary Email
Temporary disposable email address. Protect your email from spam, bots and phishing with Temp-Mail.
Rated 4.8 out of 5
Privatix
8,578 users
Activate Reader View
This add-on adds a button to the toolbar. Clicking on it activates the Reader View even if the icon in the address bar is not present.
Rated 4.2 out of 5
fkohrt
8,499 users