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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

    1.561 brûkers

  • 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

    1.548 brûkers

  • MetaMask Legacy Web3

    MetaMask Legacy Web3

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

    danfinlay

    1.526 brûkers

  • WindowSizer

    WindowSizer

    Quickly resize the window to one of your favorite sizes

    Dr. Cheap

    1.526 brûkers

  • 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

    1.504 brûkers

  • Copy URL To Clipboard

    Copy URL To Clipboard

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

    asamuzaK

    1.500 brûkers

  • HackBar

    HackBar

    A browser extension for Penetration Testing

    0140454

    1.495 brûkers

  • 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

    1.489 brûkers

  • Page Edit

    Page Edit

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

    keller

    1.478 brûkers

  • IndicateTLS

    IndicateTLS

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

    Jannis Pinter

    1.476 brûkers

  • View Background Image

    View Background Image

    Adds "View Background Image" to the context menu.

    foooomio

    1.472 brûkers

  • Download with FlashGet

    Download with FlashGet

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

    Joe Ertaba

    1.435 brûkers

  • NoFollow

    NoFollow

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

    Igor Jerosimić

    1.435 brûkers

  • Alpine.js devtools

    Alpine.js devtools

    DevTools extension for debugging Alpine.js applications.

    Hugo

    1.415 brûkers

  • 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

    1.413 brûkers

  • 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

    1.398 brûkers

  • Grids & Rulers

    Grids & Rulers

    Create rulers and grids overlays to help develop your web applications

    Jeremie Patonnier

    1.392 brûkers

  • JSON-handle

    JSON-handle

    A JSON text formater tool .

    stonepurple

    1.382 brûkers

  • DataScraper

    DataScraper

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

    Rakot

    1.380 brûkers

  • Swagger UI

    Swagger UI

    Swagger-UI für Firefox

    Steven Tappert

    1.378 brûkers

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1.360 brûkers

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1.353 brûkers

  • Page Hacker

    Page Hacker

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

    nico@nc

    1.332 brûkers

  • 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

    1.330 brûkers

  • Multiple Search and Highlight

    Multiple Search and Highlight

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

    Brian

    1.329 brûkers