15,075 extensions found in Appearance

Zendesk View Auto Refresh

Refresh your Zendesk views automatically with start/stop controls to keep your data up-to-date without manual effort. Ideal for busy support teams.

Instagram Downloader & Mobile Layout

Rediscover the feeling of using Instagram on mobile, support Instagram downloading.

History Heatmap

Visualize your browsing activity as a GitHub-style heatmap calendar. Click any day to see the sites you visited.

Breadcrumb Navigator

Visualise any URL as clickable breadcrumbs. Navigate to any path segment instantly. Shows query params and hash.

Dark Theme for Yandex™

A highly customizable dark theme for Yandex homepage and search

marmitonPrint

permet d'imprimer une recette Marmiton simplement avec les données essentielles

Site Customizer

Easily customize the appearances of websites. Use an in-page editor to dynamically right-click on page elements and select from a handful of powerful, layperson-friendly style changes. Enjoy your favorite websites your way—no code needed.

613 Tube

Redirects YouTube videos to 613Tube for a cleaner experience.

BarbBlock

BarbBlock is a content blocking extension. It blocks requests to sites which have used DMCA takedowns to force removal from other blacklists.

Fullscreen On Load

特定のページを開いたとき、フルスクリーンにします。

Codeforces Tag Hider

Hides the problem tags section on Codeforces question pages.

Ficbook+

Improved Ficbook interactions and overall look.

Hide Chess.com Elo

Censors/hides Elo ratings on chess.com.

Efaz's Roblox Foundation Color Accents

Remember when Roblox used to be green buttons but are now blue? Well, you can change to any color using this extension!

Body-Font-Size

Override body font-size to 1.0em so Firefox 'Preferences' default takes effect. - To compensate for when web developers hard-code a pixel-based font size on the body tag. - To help visually impaired.

NSFWRedditBlocker

Attempts to hide the screen and then redirects to https://reddit.com if a NSFW post or subreddit is detected.

Stremio Buttons for Trakt.tv

Adds styled Stremio App and Stremio Web buttons to Trakt.tv movie and show pages.

NW - NoWatch

A simple stopwatcher in the popup window.

AlphaXiv for arXiv

Adds a 'View on AlphaXiv' option to arXiv papers. This is a port of [alphaXiv - Open Research Discussion for Google Chrome] because I noticed there wasn't any for Firefox. This extension is open source: github.com/manogyasingh/AlphaXivFirefox

Name instead of UserId for SAP GitHub

SharpViewer

SharpViewer is an image and SVG viewing extension that replaces the viewer built into the browser. It offers interactive zooming via mouse wheel, drag-and-pan functionality, and changing interpolation modes for pixel-perfect image reproduction.

Link Counter

A simple extension that counts the number of links on the current page.

Invert Any Web

Inverts colors of web pages and PDFs, including offline content.

Global Time

Display multiple time zones simultaneously. Pick from 28 cities. Shows current time, date, and offset from your local time.

Auto-Print Mode

Automatically print webpages when you press the print button.