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7,438 extensions found in Web Development

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  • BugHerd: Visual Feedback & Bug Tracking Tool

    BugHerd: Visual Feedback & Bug Tracking Tool

    Screenshots for the point and click bug tracker

    BugHerd

    1,505 users

  • WindowSizer

    WindowSizer

    Quickly resize the window to one of your favorite sizes

    Dr. Cheap

    1,491 users

  • Siteimprove Accessibility Checker

    Siteimprove Accessibility Checker

    Jumpstart your web accessibility efforts directly in Firefox. Is your web page accessible for everyone? Assess the accessibility of your web pages conveniently in Mozilla Firefox browser with the Siteimprove Accessibility Checker.

    Siteimprove

    1,477 users

  • Copy URL To Clipboard

    Copy URL To Clipboard

    Copy document URL / link URL to clipboard as HTML, Markdown, Text etc.

    asamuzaK

    1,468 users

  • MetaMask Legacy Web3

    MetaMask Legacy Web3

    Adds MetaMask's legacy window.web3 API to your browser

    danfinlay

    1,467 users

  • Open Graph Preview

    Open Graph Preview

    Shows approximately what users will see if this webpage is shared on websites that uses OG tags to display a preview. Let you detect if no Open Graph Tags are set on your webpage ! The shown preview is inspired from the Facebook one.

    apiaget

    1,466 users

  • Page Edit

    Page Edit

    Make any webpage into a content editable document and modify it via toolbar popup!

    keller

    1,452 users

  • View Background Image

    View Background Image

    Adds "View Background Image" to the context menu.

    foooomio

    1,450 users

  • Web Developer Form Filler

    Web Developer Form Filler

    This extension is used by developers to make it easy to save and fill forms for use in submission testing and validation.

    Eric Busch

    1,442 users

  • HackBar

    HackBar

    A browser extension for Penetration Testing

    0140454

    1,435 users

  • IndicateTLS

    IndicateTLS

    Displays negotiated SSL/TLS protocol version and additional security information in the address bar

    Jannis Pinter

    1,425 users

  • Download with FlashGet

    Download with FlashGet

    when activated, interrupts the built-in download manager to direct links to FlashGet

    Joe Ertaba

    1,402 users

  • NoFollow

    NoFollow

    Outlines nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles

    Igor Jerosimić

    1,392 users

  • Alpine.js devtools

    Alpine.js devtools

    DevTools extension for debugging Alpine.js applications.

    Hugo

    1,376 users

  • DataScraper

    DataScraper

    Extension for FF and Chrome to extract data from web pages to csv.

    Rakot

    1,365 users

  • autoClick

    autoClick

    I make clicks... for real. If you play idle/clicker games this one is for you. Just select a key in your keyboard and press it down for the mouse to left-click, and you can it pressed down for all the time you want.

    mmoroca

    1,360 users

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1,347 users

  • Grids & Rulers

    Grids & Rulers

    Create rulers and grids overlays to help develop your web applications

    Jeremie Patonnier

    1,344 users

  • Penetration Testing Kit

    Penetration Testing Kit

    Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.

    pentestkit.co.uk

    1,341 users

  • JSON-handle

    JSON-handle

    A JSON text formater tool .

    stonepurple

    1,338 users

  • Infy Scroll - A Next Page AutoPager

    Infy Scroll - A Next Page AutoPager

    Add customized infinite scrolling to websites and auto load the next page. Supports the AutoPagerize and InfyScroll Databases.

    Sixcious

    1,336 users

  • Swagger UI

    Swagger UI

    Swagger-UI für Firefox

    Steven Tappert

    1,329 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,307 users

  • Multiple Search and Highlight

    Multiple Search and Highlight

    Highlight multiple words separated by comma, space or arbitrary separator with regular expression support

    Brian

    1,301 users

  • Page Hacker

    Page Hacker

    Edit in Firefox the page displayed in any tab, with formatting tools.

    nico@nc

    1,291 users