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

Log in

9,778 extensions found in Web Development

Filter results
Search results
  • Subdomain Finder

    Subdomain Finder

    Enumerates subdomains, directories, shows website IP, and checks for robots.txt

    Sumalya Chatterjee

    81 users

  • No-Cache No-Store for Selected Hosts

    No-Cache No-Store for Selected Hosts

    Reloading doesn't update your CSS any more? Bypass Firefox's aggressive caching of CSS (and optionally other content) during development. Use the button on the Page Actions menu to grant new host permissions for blocking.

    jscher2000

    81 users

  • Best Cookie Editor

    Best Cookie Editor

    View, modify or delete browser cookies. Absolutely open-source.

    Sumalya Chatterjee

    81 users

  • FoxColorBox

    FoxColorBox

    Firefox extension that allows you to change and customize browser Window colors

    jftuga

    81 users

  • YouTube...AdBlocker

    YouTube...AdBlocker

    The YouTube AdBlocker is designed to enhance your YouTube viewing experience by minimizing interruptions from ads

    Hi

    81 users

  • Short URL Expander

    Short URL Expander

    Adds an Expand Shortened URLs item to the context menu. Links on the page that contain shortened URLs will be resolved and replaced with their final URL.

    James Mazikowski

    81 users

  • CleanText Extractor

    CleanText Extractor

    Extract clean text from web pages by removing HTML and formatting

    J88

    81 users

  • YuiAPI

    YuiAPI

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

    onlyfu

    80 users

  • Extension for AWS SSO

    Extension for AWS SSO

    This extension is for AWS IAM Identity Center (The old name is AWS SSO).

    yaggytter

    80 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

    80 users

  • BatoList/MPlist Exporter

    BatoList/MPlist Exporter

    Export your Bato/MangaPark lists and reading history to CSV, HTML, JSON, or PDF.

    RaidenOQ

  • Character Counter

    Character Counter

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

    TIKAM CHAND MEGHWANSHI

    80 users

  • MainWP Browser Extension

    MainWP Browser Extension

    Stay informed by monitoring available updates and non-MainWP changes to your WordPress sites. Connects to your MainWP Dashboard via REST API.

    MainWP

    79 users

  • ADON PROXY HELPER

    ADON PROXY HELPER

    Unlock secure browsing with ADON Proxy Helper—a sleek Firefox extension for effortless IP management. Configure HTTP, HTTPS, SOCKS4, or SOCKS5 proxies to boost privacy, access global content ethically, and optimize performance.

    Shivaksh Kumar

    79 users

  • PhotoConvert - Image Converter

    PhotoConvert - Image Converter

    Convert images to WebP, AVIF, JPEG, PNG and more. Optimize your images with quality control for the web and professional use.

    Getinfotoyou

    79 users

  • Unhide

    Unhide

    Shows all hidden elements on webpages.

    elvar333

    79 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

    79 users

  • Ollama Client

    Ollama Client

    Privacy-first Ollama Chrome extension to chat with local AI models like LLaMA, Mistral, Gemma — fully offline.

    Shishir Chaurasiya

    79 users

  • Scientific Calculator

    Scientific Calculator

    Scientific Calculator for Firefox

    FirstScienceCalc

    78 users

  • GitHub Issue Link Status

    GitHub Issue Link Status

    Colorize issue and PR links to see their status (open, closed, merged)

    Fregante

    78 users

  • URL Parameters Editor

    URL Parameters Editor

    Shows parameters used in the URL and allows to update, export and import them.

    Ivan

    78 users

  • Shopify Shop URL

    Shopify Shop URL

    Simple add on that help you to view the Shopify shop URL, active theme and currency information.

    Al Amin Khan

    78 users

  • Certificate Viewer for Humans

    Certificate Viewer for Humans

    Computers can read PEM encoded certificates. Hummans cannot. This extension might help. Try out on this page http://bit.ly/2oeUwEF Select the certificate, right click and 'Print certificate contents'. If no text is selected, it searches in clipboard

    Andrei Petcu

    78 users

  • Open in Sourcegraph

    Open in Sourcegraph

    This extension open the current GitHub project on Sourcegraph.

    Firefox user 13930656

    77 users

  • 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