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

Log in

14,259 extensions found in Web Development

Filter results
Search results
  • KOSHIAN 返信フォームを固定

    KOSHIAN 返信フォームを固定

    レスフォームの位置を調整します !注意! 一度でもフォーム位置切替を行ってた場合フォームがちらつきます FirefoxのオプションのプライバシーとセキュリティのCookieを管理から img.2chan.netやmay.2chan.netのreszcというCookieを削除すると解決します

    Pachira

    77 users

  • GitHub Writer

    GitHub Writer

    A WYSIWYG rich-text editor for GitHub issues, comments and pull requests. Powered by CKEditor.

    CKSource

    77 users

  • Prompt Stash: Save Prompts for ChatGPT & Gemini

    Prompt Stash: Save Prompts for ChatGPT & Gemini

    Save and reuse AI prompts with smart templates and variables. Works in ChatGPT, Claude, Gemini, Perplexity and Grok. Sync across Firefox, Chrome, Edge and Brave via Google Drive. 100% private, no account needed.

    Crouton Creations

    77 users

  • Timestamp Converter

    Timestamp Converter

    Convert timestamps into human readable format or dates into timestamps

    Ceenen

    77 users

  • Leet Xt - Supercharge your Leetcode practice

    Leet Xt - Supercharge your Leetcode practice

    Supercharge your LeetCode practice - Add to Friends, Premium Features, per Contest Friends Rating, and more!

    binbard

    77 users

  • Shopify App Detector & Inspector

    Shopify App Detector & Inspector

    Shopify App Detector extension by Shopscan helps to know what Shopify apps and theme a store using with a single click.

    Shopscan

    76 users

  • 30 Seconds of Knowledge

    30 Seconds of Knowledge

    Web Extension that lets you gain new developer skills, every time you open a New Tab

    Stefan Petrovic

    76 users

  • Remove X-Frame-Options Header

    Remove X-Frame-Options Header

    Removes the X-Frame-Options header from all responses.

    Callaghan

    76 users

  • Password Generator ⚡ PRO

    Password Generator ⚡ PRO

    Powerful and user-friendly extension/add-on with PRO features for randomly generating and checking passwords security.

    Qit.tools

    76 users

  • Group Same Site Tabs

    Group Same Site Tabs

    Move same site/domain tabs into named collapsed or uncollapsed native tabgroups

    igorlogius

    76 users

  • WebTool

    WebTool

    Web-page tools, increase user experience

    WebToolDev

    75 users

  • Character Counter

    Character Counter

    Count the characters, words, sentences, paragraphs & whitespaces in a text.

    TIKAM CHAND MEGHWANSHI

    75 users

  • HTML5 Speed Hack Pwned

    HTML5 Speed Hack Pwned

    Speed hack for HTML5 websites. Featuring buttons and no limit on multiplier. Over 1000 may lag on some computers.

    PwnedByJez

    75 users

  • Proxy Port

    Proxy Port

    Automatic proxy rotation for anonymity and browsing blocked resources. VPN for your browser. SOCKS5, HTTPS, HTTP Proxy.

    Proxy Port

    75 users

  • Odoo Manager Database

    Odoo Manager Database

    Redirect to Database Selector/Manager Odoo webpage

    Michell Stuttgart

    75 users

  • Figma (Open in App)

    Figma (Open in App)

    Open Figma files in Desktop Application.

    finallynero

    74 users

  • Scroll Everywhere

    Scroll Everywhere

    Activate the scroll bar on the pages that are being viewed even if it has been disabled. / Muestra la barra de navegación (scroll) en todas las páginas.

    Unai Valle

    74 users

  • Toggle CSS outline

    Toggle CSS outline

    Simple extension that toggles a red outline around all elements in a page on/off, useful for CSS debugging.

    theodejager

    74 users

  • ShortsBlocker

    ShortsBlocker

    Blocks all YouTube Shorts elements and prevents /shorts pages from loading.

    Slinkee

    74 users

  • ProxyNest - By ALIILAPRO

    ProxyNest - By ALIILAPRO

    One-click access to fresh proxies/V2Ray configs | دسترسی یک‌ کلیکی به پراکسی‌های تازه و کانفیگ V2Ray

    ALIILAPRO

    74 users

  • Unhide

    Unhide

    Shows all hidden elements on webpages.

    elvar333

    74 users

  • Advanced GitHub Notifier

    Advanced GitHub Notifier

    Shows notifications when you get a new notification on GitHub (or similar source control services) and provides quick access to all notifications in a popup. Supports GitHub.com, GitHub Enterprise, GitLab and Gitea.

    freaktechnik

    74 users

  • YuiAPI

    YuiAPI

    An easy-to-use rest client that helps you test the api

    onlyfu

    73 users

  • LibJS Detector

    LibJS Detector

    Detects the JavaScript libraries running on a page and displays their icons in the address bar.

    Francesco De Stefano

    73 users

  • MatugenFox

    MatugenFox

    Live, dynamic system-wide theming for your web browser. Synchronize your Firefox colors with your Matugen theme in real-time.

    Ubaidullah

    73 users