14,697 extensions found in Appearance

Recent Tabs List

Recent Tabs List provides a mouse-friendly UI for accessing recently visited tabs, similar to Firefox’s native Ctrl+Tab switcher but with persistent visual controls. Lightweight and designed to blend seamlessly with Firefox’s native interface.

Z0 · 公众号编辑插件

此插件可以读取公众号编辑器内特殊的元素，如视频组件、视频号卡片、个人及乐库音频卡片、公众号卡片、小程序卡片等并迅速提取其源代码，便于在辅助编辑器中进行使用。还提供一键导出导入全文内容、一键切换代码 - 图文编辑页面，大幅提升您的工作效率。

YouTube Seeker

Adds customizable forward and back seek buttons to YouTube videos. Licensed under MIT

Web Element Remover

Remove Unwanted Elements on Websites

PDF Direct Viewer

PDF Direct Viewer is an extension aimed at displaying all PDF files directly in the browser without prompting automatic downloads or "Save as" dialogs. Users can conveniently view PDFs within the browser window and save them using CTRL+S (or CMD+S) a

Ficbook+

Improved Ficbook interactions and overall look.

Rafiq: productivity new tab

رفيق يحول صفحة التبويب الجديدة إلى مركز للإنتاجية مع قارئ للقرآن الكريم، وقائمة مهام، وملاحظات سريعة، ومتتبع لتقدم السنة.

Idlescape utilities

Quality of life improvements for Idlescape.

Fandom Wiki - Remove Sidebar

Removes the Fandom navigation sidebar because it pops open when moving a mouse between two monitors and stays open. I don't use it currently, but it could also be re-styled to be positioned horizontally.

Name instead of UserId for SAP GitHub

Go Up

This browser extension jumps to the upper directories of the current URL

Adjust Screen Color

Control your browser's global screen brightness to use sites that do not support the native dark theme

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

Gradientus

Gradientus is a dynamic theme for Firefox Quantum that changes colors automatically based on time of day.

Web Page Font Detector

Add-on to detect fonts on web pages

Personal Censor

This add-on "censors" and hides user-registered text strings on web pages.

Prolific @ Night

My eyes hurt everytime I see Prolific on my browser past 10pm. Here's something useful I made for you and me.

Tweak It

Ultimate Web Styler Extension - Personalize Every Website Effortlessly with This Powerful Tool - Change background color with intelligent color adjustment - Adjust article width - Change typography. - Tweak any website.

Subtitle Translator

Translate subtitles on video players.

Change Twitter logo back to blue bird

Replace the X with the classic Twitter blue birb

Fire-Sticky

Free HTML5 Sticky Notes

Dark Scroll

Turns Scrollbar Dark

The Old Reader Dark

The Old Reader dark theme.

Teamliquid.net - Dark Theme

Enjoy the #1 eSport News website in the World in a dark design.

Babel

Web Extension forcing 'The Settlers Online' to use the same language as your browser!