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

Log in

8,939 extensions found in Web Development

Filter results
Search results
  • OurStickys - Sticky Notes on every page

    OurStickys - Sticky Notes on every page

    Add Persistent Sticky Notes anywhere on any web page, they will reappear when you re-open the page

    Fabrizio Parrella

    561 users

  • Owl devtools

    Owl devtools

    Firefox devtools extension for Odoo Owl framework

    Odoo

    561 users

  • Temporary Email - EmailOnDeck

    Temporary Email - EmailOnDeck

    Superior Temporary Email Solutions - Extension does not track, read or view the websites you visit.

    EOD

    561 users

  • YouLoop - Repeat video/audio endless on YouTube

    YouLoop - Repeat video/audio endless on YouTube

    Repeat video/audio endless on YouTube. Furthermore a partition loop function is enable.(for HTML5) -- Wiederholt Video/Audio endlos auf YouTube. Des Weiteren gibt es die Möglichkeit, nur einen bestimmten Ausschnitt endlos zu wiederholen.(für HTML5)

    CloudCompanion

    560 users

  • Bitly URL Shortner

    Bitly URL Shortner

    Bitly service to convert long URLs or Links of websites to short.

    DSNet

    558 users

  • Le Git Graph - GitHub Git Graph

    Le Git Graph - GitHub Git Graph

    A browser extension that displays the git graph for any GitHub repository.

    scaria.dev

    557 users

  • Page Performance Test

    Page Performance Test

    Get accurate performance timing for any page with this WebExtension

    Francesco De Stefano

    555 users

  • Night Mode - Dark Theme

    Night Mode - Dark Theme

    A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.

    Simple Inc.

    555 users

  • MPT Fullscreen

    MPT Fullscreen

    Makes the Browser Fullscreen when opened.

    Mejía Polanco Technology Solutions

    555 users

  • Cital - Citation Generator

    Cital - Citation Generator

    Easily Generate Citations by entering the DOI of a paper.

    Sumit Banik

    552 users

  • Seerobots

    Seerobots

    Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...

    seerobots

    549 users

  • EE2ME

    EE2ME

    EE2ME is used to get data from easyenjaz and import to ENJAZIT, MUSANED, GCC - Gulf Health Council & Ethiodwa - Ethiopia Embassy (KSA)

    easyenjaz

    549 users

  • Serpstat Website SEO Checker

    Serpstat Website SEO Checker

    Instantly check your website's SEO, analyze competitors and get advantage of powerful search analytics in one place.

    Serpstat

    544 users

  • Scraper.AI - An AI powered web scraper

    Scraper.AI - An AI powered web scraper

    Scraper.AI is an automated scraping SaaS that makes extracting or mining data from any webpage as simple as clicking and selecting. Changes to the selections are monitored and updates are pushed to a consumable API for you to build on top of it

    Roadwork.io

    542 users

  • Angular state inspector

    Angular state inspector

    Inspect State of the Angular components easily

    Ihor Klymenok

    541 users

  • SugarMelt

    SugarMelt

    Allows you to change font/style; also adds cheats

    Lure of Chaos

    540 users

  • network monitor without devtools

    network monitor without devtools

    monitor the network without web devtools.

    lune

    535 users

  • JSONovich

    JSONovich

    Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

    Will Elwood

    533 users

  • windmill

    windmill

    Windmill - A simple website accelerating tool

    windmillvpn

    530 users

  • GIF Maker

    GIF Maker

    Create animated GIFs from existing video file(s) or images!

    keller

    524 users

  • Preact Developer Tools

    Preact Developer Tools

    Only works with Preact 10.1.0 upwards Debugging tools for Preact. This extension allows you to inspect the component hierarchy and change properties on the fly.

    Marvin Hagemeister

    522 users

  • Time Zone Converter - Savvy Time

    Time Zone Converter - Savvy Time

    Time zone and local time converter. Compare and convert time between many locations at a time.

    Savvy Time

    520 users

  • JavaScript QR Code

    JavaScript QR Code

    Make QR Codes in pure JavaScript

    Francesco De Stefano

    520 users

  • Hoverify: All-in-one extension for web developers

    Hoverify: All-in-one extension for web developers

    Master web development with an all-in-one browser extension that helps you inspect, edit, test, debug, and optimize websites faster.

    Hoverify

    519 users

  • Catppuccin for Web File Explorer Icons

    Catppuccin for Web File Explorer Icons

    Soothing pastel icons for file explorers on the web!

    uncenter

    518 users