To use these add-ons, you'll need to download Firefox.

Log in

14,433 extensions found in Web Development

Filter results
Search results
  • Repomix

    Repomix

    Add a button to quickly access Repomix from GitHub repositories

    yamadashy

    101 users

  • Email this page

    Email this page

    This extension adds an email button to the toolbar which allows you to email the page link using your default mail client or Gmail.

    Sheikh Farooq

    100 users

  • CodeX

    CodeX

    CodeX aims to be a lightweight browser extension that provides an easy and convenient way to search for plagiarism on GitHub.

    Anthony

    100 users

  • Storage Saver

    Storage Saver

    Save, import, and export local and session storage.

    dpetersen257

    100 users

  • phab-conventional-comments

    phab-conventional-comments

    Adds a control in Phabricator comment toolbar to insert pre-defined label in the comment textarea

    nchevobbe

    100 users

  • Medoro browser extension

    Medoro browser extension

    Extension for arranging web browser windows and tabs for smoother user's experience from our applications.

    Medoro s.r.o.

    100 users

  • Kabab Typer- auto text typer

    Kabab Typer- auto text typer

    Features: Paste any text and have it typed out automatically Adjustable delay (ms per character) to control typing speed Pause, resume, or stop mid-way through Live progress bar showing characters typed Works with standard inputs and text areas

    Thatpanman

    100 users

  • Accessibility View

    Accessibility View

    Accessible View converts an arbitrary website into its accessibility relevant form.

    Dword Design

    100 users

  • Scratchpad

    Scratchpad

    Replacement for the JavaScript Scratchpad editor removed in Firefox 72

    A Kistler

    99 users

  • Open in Vivaldi

    Open in Vivaldi

    Open current page, link, or all tabs in the Vivaldi browser.

    Andy Portmen

    99 users

  • Save Your AI Chats

    Save Your AI Chats

    Export and save your ChatGPT conversations as clean HTML or Markdown with code highlighting and images. Support for other AI chats (ChatGPT, Claude, Gemini, etc.) coming soon

    Robert Silven

    99 users

  • Your Custom Css

    Your Custom Css

    Add and save your own custom css for whatever websites you want.

    Bekurkes

    98 users

  • FontHunter

    FontHunter

    Detects and downloads all web fonts from any webpage with live previews.

    Clmnnt

    98 users

  • Safeonweb Browser Extension

    Safeonweb Browser Extension

    Website owner validation status and related score from the CCB.

    CCB_At_Work

    98 users

  • Github Whitespace Disabler

    Github Whitespace Disabler

    Force Github "Files Changed" tab on Pull Requests to hide whitespace changes when showing diffs.

    Oliver Maksimovic

    98 users

  • User JavaScript and CSS

    User JavaScript and CSS

    User JavaScript and CSS on any website

    tenRabbits

    97 users

  • Plugin and Extension Manager

    Plugin and Extension Manager

    Manage and track plugins and extensions used on websites.

    Joshua Adams

    97 users

  • Scientific Calculator

    Scientific Calculator

    Scientific Calculator for Firefox

    FirstScienceCalc

    97 users

  • Mute Unfocused Tabs

    Mute Unfocused Tabs

    Allow only the focused tab to play audio and muting other tabs when the focus switches.

    igorlogius

    97 users

  • AI Chat Export/Share

    AI Chat Export/Share

    Share and export your AI chats from Claude, ChatGPT, Gemini, LeChat, DeepSeek, and Qwen with one click

    Maaren

    97 users

  • Color Contrast Checker

    Color Contrast Checker

    Checks color contrast between text and background according to WCAG guidelines

    Kevin Taron

    97 users

  • BugzillaJS - Tweaks for Bugzilla

    BugzillaJS - Tweaks for Bugzilla

    BugzillaJS adds a number of features to Mozilla's Bugzilla. Keyboard shortcuts, quick file links, inline image/github previews, gravatars and more.

    Gregory Koberger

    97 users

  • BaixarPremium Plugin

    BaixarPremium Plugin

    Não se preocupe em precisar gerar seus link através de nosso gerador ou de qualquer protetor de link! Baixe tudo com poucos clicks!

    Baixar Premium

    97 users

  • Scroll Up Folder

    Scroll Up Folder

    Goes up a folder of a website.

    Bruce Bujon (Perfect Slayer)

    96 users

  • View Page Source - HTML Viewer

    View Page Source - HTML Viewer

    View source code, detect 100+ web technologies, and analyze SEO. Reveals meta tags, Open Graph, structured data, frameworks, CMS, analytics, performance metrics, and security indicators for any website.

    Ahmed Sajjad Zaidi

    96 users