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5,732 extensions found in Web Development

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  • Locale Switcher

    Locale Switcher

    Lets you quickly switch the browser locale to test localization on your website.

    Locale Switcher

    1,608 users

  • WindowSizer

    WindowSizer

    Quickly resize the window to one of your favorite sizes

    Dr. Cheap

    1,606 users

  • NoFollow

    NoFollow

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

    Igor Jerosimić

    1,603 users

  • JSON-handle

    JSON-handle

    A JSON text formater tool .

    stonepurple

    1,601 users

  • Copy URL To Clipboard

    Copy URL To Clipboard

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

    asamuzaK

    1,594 users

  • View Background Image

    View Background Image

    Adds "View Background Image" to the context menu.

    foooomio

    1,584 users

  • Page Edit

    Page Edit

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

    keller

    1,578 users

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1,557 users

  • Spoof Geolocation

    Spoof Geolocation

    This extension alters browser Geolocation latitude and longitude to user-defined values

    Joue

    1,543 users

  • Page Hacker

    Page Hacker

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

    nico@nc

    1,530 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,530 users

  • BugHerd – Visual Feedback & Bug Reporting Tool for

    BugHerd – Visual Feedback & Bug Reporting Tool for

    Screenshots for the point and click bug tracker

    BugHerd

    1,520 users

  • GraphQL Network Inspector

    GraphQL Network Inspector

    Simple and clean network inspector for GraphQL

    warrenjday

    1,503 users

  • Alpine.js devtools

    Alpine.js devtools

    DevTools extension for debugging Alpine.js applications.

    Hugo

    1,499 users

  • Salesforce Inspector reloaded

    Salesforce Inspector reloaded

    Productivity tools for Salesforce administrators and developers to inspect data and metadata directly from the Salesforce UI.

    Thomas Prouvot

    1,490 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

    1,488 users

  • AI Code Finder & Alerts for Papers: CatalyzeX

    AI Code Finder & Alerts for Papers: CatalyzeX

    🧑‍💻 Get implementation code for research papers directly on Google Search, ArXiv, Scholar, Twitter, Github, PubMed, IEEE, and more

    CatalyzeX

    1,487 users

  • Ace Script

    Ace Script

    User Script Manager with the support of Ace Stream technologies

    Ace Stream

    1,487 users

  • GraphQL DevTools

    GraphQL DevTools

    Developer tools panel for GraphQL development

    Francesco De Stefano

    1,486 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

    1,465 users

  • Copycat

    Copycat

    Copy content from web powerful than ever before.

    BlackGlory

    1,442 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

    1,433 users

  • React Context DevTool

    React Context DevTool

    React Context DevTool is a debugging tool for React Context and useReducer API.

    Deep Patel

    1,428 users

  • Web MIDI API

    Web MIDI API

    Enables Web MIDI API in Firefox

    Jazz-Soft

    1,426 users

  • Ember Inspector

    Ember Inspector

    Tool for debugging Ember applications.

    Ember.js

    1,404 users