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7,576 extensions found in Web Development

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  • Extension source viewer

    Extension source viewer

    View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere, with CRX Viewer (crxviewer).

    Rob W

    1,535 users

  • Open in MS Edge™ Browser

    Open in MS Edge™ Browser

    Open current page, link, or all tabs in the Microsoft Edge™ browser

    Andy Portmen

    1,522 users

  • WindowSizer

    WindowSizer

    Quickly resize the window to one of your favorite sizes

    Dr. Cheap

    1,485 users

  • BugHerd: Visual Feedback & Bug Tracking Tool

    BugHerd: Visual Feedback & Bug Tracking Tool

    Screenshots for the point and click bug tracker

    BugHerd

    1,481 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

    1,479 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

    1,467 users

  • Copy URL To Clipboard

    Copy URL To Clipboard

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

    asamuzaK

    1,462 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

    1,461 users

  • MetaMask Legacy Web3

    MetaMask Legacy Web3

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

    danfinlay

    1,458 users

  • Page Edit

    Page Edit

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

    keller

    1,458 users

  • IndicateTLS

    IndicateTLS

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

    Jannis Pinter

    1,443 users

  • View Background Image

    View Background Image

    Adds "View Background Image" to the context menu.

    foooomio

    1,439 users

  • HackBar

    HackBar

    A browser extension for Penetration Testing

    0140454

    1,431 users

  • WebCast-Reloaded

    WebCast-Reloaded

    Detect multimedia URLs in each tab.

    Warren Bank

    1,422 users

  • NoFollow

    NoFollow

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

    Igor Jerosimić

    1,408 users

  • Download with FlashGet

    Download with FlashGet

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

    Joe Ertaba

    1,386 users

  • DataScraper

    DataScraper

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

    Rakot

    1,378 users

  • Swagger UI

    Swagger UI

    Swagger-UI für Firefox

    Steven Tappert

    1,355 users

  • View Page Source (Mobile)

    View Page Source (Mobile)

    Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).

    David Pacassi Torrico

    1,352 users

  • Alpine.js devtools

    Alpine.js devtools

    DevTools extension for debugging Alpine.js applications.

    Hugo

    1,342 users

  • Grids & Rulers

    Grids & Rulers

    Create rulers and grids overlays to help develop your web applications

    Jeremie Patonnier

    1,336 users

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1,328 users

  • Gemini next to Google results

    Gemini next to Google results

    🗨️ Gemini answer alongside Google results.

    OptiSearch

    1,327 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

    1,312 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,309 users