To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Log in

537 extensions found in Web Development

Filter results
Search results
  • Dynamic Content Link Extractor

    Dynamic Content Link Extractor

    Extract URLs from dynamically generated content using Linkify Plus Plus features. Leverages Linkify Plus Plus functionality to identify and extract URLs from dynamically generated web page elements, facilitating link extraction tasks for various purp

    BJ88

    25 users

  • DevProblems: Developer Tips

    DevProblems: Developer Tips

    Fetch and display Developer Tips, News and Blogs from DevProblems

    DevProblems

    25 users

  • Azure Tab Icons

    Azure Tab Icons

    Automatic browser tab icons for Azure

    Tom Plant

    25 users

  • StrawPage Frames

    StrawPage Frames

    The extension works only on *.straw.page websites and allows for image upload and processing.

    Konrad

    25 users

  • Morqana auto refresh

    Morqana auto refresh

    Simple and reliable auto-refresh extension for Firefox.

    saleembey

    25 users

  • Domain Age Check

    Domain Age Check

    Domain age checker is a whois tool / extension developed by Cynexium (Umar) for checking any domain's age

    Umar

    24 users

  • diffs.dev

    diffs.dev

    Adds a button to open diffs in the diffs.dev diff viewer.

    Jason Penilla

    24 users

  • Meta Viewport Adder

    Meta Viewport Adder

    Adds the meta viewport tag only to sites that don't have it.

    Heinrich Lunge

    24 users

  • CSS and JS Injector

    CSS and JS Injector

    Injects custom CSS and JavaScript into specified websites to change their look

    Ashutosh

    23 users

  • Purplemonkey2

    Purplemonkey2

    Just like Violentmonkey, but with more unsafe API.

    gholk

    22 users

  • Dark Mode Cyberpunk

    Dark Mode Cyberpunk

    Apply a dark, cyberpunk-style theme to all websites.

    namideus

    22 users

  • IP Tracker

    IP Tracker

    The Extension displays the IP address and flag of the associated country...

    Tatami-web

    22 users

  • Reading Progress Bar PRO

    Reading Progress Bar PRO

    Shows a customizable reading progress bar as you scroll through content

    Sumalya Chatterjee

    22 users

  • Pgscode.id Cookie Export

    Pgscode.id Cookie Export

    Ekstensi untuk mengekspor cookie Google ke clipboard

    Somone

    22 users

  • URI Splitter

    URI Splitter

    Easily and quickly edit the URL/URI from the current page

    Denilson Sá Maia

    21 users

  • Copy Tab Urls

    Copy Tab Urls

    A powerful, privacy-respecting extension that makes copying your open URLs effortlessly, with optional Markdown format, and with the ability to select some of them

    Ina's Simple But Good

    21 users

  • ImageSlim: Image Resizer

    ImageSlim: Image Resizer

    Instantly resize and optimize images in your browser. Save storage space and improve website loading times with just a few clicks.

    Getinfotoyou

    21 users

  • MyEpitech_percentages (new)

    MyEpitech_percentages (new)

    Restore the old percentage of My Epitech !

    Remi Deroussent

    20 users

  • Network Port Scanner

    Network Port Scanner

    Scan ports and detect OS of websites in a dark glassmorphism UI.

    Sumalya Chatterjee

    19 users

  • AI Context Courier

    AI Context Courier

    Save and share your AI chat history from ChatGPT, Gemini, AI Studio and Deepseek with one click.

    Baha Ferchichi

    19 users

  • Go Up

    Go Up

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

    tomarin

    18 users

  • Lean Dark+: simple and fast dark mode

    Lean Dark+: simple and fast dark mode

    Install Lean Dark+ (the modern dark reader) for a faster, cleaner web—dark where needed, simple where it matters just like OUR LOGO: SIMPLE BY DESIGN.

    Manas

    18 users

  • WPlaceTools 26.08.2025

    WPlaceTools 26.08.2025

    Cross-browser extension

    Hakimjon3d

    18 users

  • Github Aid - repo file size

    Github Aid - repo file size

    Displays github repository file and folder sizes. Supports GraphQL and REST api modes. Also mobile friendly.

    omar-azmi

    18 users

  • AI Prompt Modifier

    AI Prompt Modifier

    AI Prompt Modifier lets you easily adjust prompts on chatgpt.com for consistent and customized replies

    WindMillCode

    17 users