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

Log in

13,862 extensions found in Web Development

Filter results
Search results
  • Sourcegraph for Firefox

    Sourcegraph for Firefox

    Adds code intelligence to GitHub, GitLab, Bitbucket Server, and Phabricator: hovers, definitions, references. Supports 20+ languages.

    Sourcegraph

    393 users

  • EXP Cookies Tool

    EXP Cookies Tool

    This addon help the user can export the browser cookies to file and import the cookies from file https://chrome.google.com/webstore/detail/exp-cookies-tool/necipeebkikcoingolmohfaeckegimid

    Mạnh Ninh

    391 users

  • Cookies and HTTP Headers analyser

    Cookies and HTTP Headers analyser

    This extension analyses, according to OWASP guidelines, the cookies and the headers in the active tab.

    stefano

    391 users

  • GIFs for GitHub

    GIFs for GitHub

    Easily search GIPHY to add a GIF into any Github comment box.

    Nick

    390 users

  • compact toolbar

    compact toolbar

    You can toggle as hide/show bookmark's titles on bookmark toolbar.

    kakakikikeke

    389 users

  • ScrapeMate Beta

    ScrapeMate Beta

    Scraping assistant tool. Editing and maintaining lists of CSS/XPath selectors across webpages. Element picker (from SelectorGadget). Presets manager. Active preset JSON view/edit. JavaScript toggling per tab.

    John Smith

    389 users

  • CSP Evaluator

    CSP Evaluator

    CSP Evaluator is a tool that allows developers to check if a Content Security Policy (CSP) serves as mitigation against XSS attacks. This is a Firefox port of the Chrome extension

    Hacks and Hops

    388 users

  • WebRequest Rules

    WebRequest Rules

    Customize web requests by coding JavaScript yourself.

    sycxyc

    388 users

  • DNSC Blacklist Protection

    DNSC Blacklist Protection

    Protejează-te împotriva domeniilor periculoase folosind baza de date DNSC.

    DNSC | DGOT

    388 users

  • Majestic Backlink Analyzer

    Majestic Backlink Analyzer

    Majestic Backlink Analyzer gives instant insight into the number of backlinks and domains linking to the URL and domain you are currently browsing. Majestic users can drill down to see the links, topics and add them to their Majestic bucket list.

    Majestic

    387 users

  • Color Picker

    Color Picker

    Click to get the color code of an element on the current web page.

    OKVIP

    386 users

  • Tracking Time Button

    Tracking Time Button

    Enhance your preferred web project manager with the Time Tracker Button and get automatic timesheets.

    TrackingTime

    385 users

  • Lunapic Image Edit

    Lunapic Image Edit

    Adds right click image editing link to images.

    lunapic

    384 users

  • File Backups

    File Backups

    TiddlyWiki html-file saving and backup, using a Tower of Hanoi strategy! Learn more at: https://pmario.github.io/file-backups/ Video: recoreded with V0.2.1 https://youtu.be/KVLtID8nElU which is slightly outdated. But overall info is OK.

    pmario

    383 users

  • Web to PDF

    Web to PDF

    Export any web page as a clean PDF — choose paper size, extract articles, force light mode, or save just your selection.

    Emma Boat

    382 users

  • Open in Brave Browser

    Open in Brave Browser

    Open current page, link, or all tabs in the Brave browser

    Brian

    382 users

  • Open iFrame

    Open iFrame

    Adds context menu items to open a frame (or iframe) in the current tab, a new tab, new window, or incognito window.

    iN4sser

    381 users

  • Image Extractor

    Image Extractor

    Extract all images and show in new tab

    8columns

    381 users

  • JShelter

    JShelter

    JShelter controls the APIs provided by the browser. The goal is to improve the privacy and security of the user running the extension.

    Libor Polčák

    380 users

  • ARIA DevTools

    ARIA DevTools

    Easily spot missing ARIA labels, misused ARIA roles, and incomplete keyboard support in your web applications.

    Mateusz Zieliński

    380 users

  • Tailwind CSS Devtools

    Tailwind CSS Devtools

    All-in-one browser extension for Tailwind CSS Developer.

    Erwin

    378 users

  • Text Editor

    Text Editor

    A free, highly customizable text and code editor for your browser.

    Sevina

    377 users

  • AutoComplete Forms for Firefox

    AutoComplete Forms for Firefox

    Enable AutoComplete for Form elements automatically.

    Baris Derin

    375 users

  • Proxy Switch

    Proxy Switch

    Easily toggle between proxy settings.

    Pieterv24

    375 users

  • Easy Favicon Scraper

    Easy Favicon Scraper

    Download the favicon of a website with 1 click

    iSheepie

    375 users