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14,385 extensions found in Web Development

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  • Swagger UI

    Swagger UI

    Swagger-UI for Firefox

    Steven Tappert

    1,238 users

  • Material Icons for Github

    Material Icons for Github

    Replace the file/folder icons on github file browsers with icons representing the file's type and which tool it is used by.

    Claudio Santos

    1,231 users

  • Mobile DevTools

    Mobile DevTools

    A firefox add-on to get developper tools using eruda on your phone.

    surv

    1,231 users

  • BetterViewer

    BetterViewer

    BetterViewer was designed as a replacement for the image viewing mode built into Firefox and Chrome-based web browsers. With BetterViewer you can use various keyboard shortcuts to quickly pan, zoom images, edit and a lot more!

    Adem KOUKI

    1,230 users

  • Claude Counter

    Claude Counter

    Real-time token counter, cache timer, and full-precision usage bars for claude.ai — right in the composer. Know your limits before you hit them.

    pauljones0

    1,227 users

  • Free OpenVPN Server Finder

    Free OpenVPN Server Finder

    Display up-to-date list of public OpenVPN servers provided by VPN Gate (University of Tsukuba)

    Andy Portmen

    1,222 users

  • AI Chat Exporter - Free, Private, OpenSource

    AI Chat Exporter - Free, Private, OpenSource

    Privacy-first, 100% local tool to export or transfer AI chats from ChatGPT, Claude, Gemini, DeepSeek, Perplexity and 15+ models to Markdown, JSON, HTML, PDF, Word, PNG, or directly into Obsidian, Logseq, Bear or other PKM tools.

    Covai Labs

    1,216 users

  • Spector.js

    Spector.js

    Easily explore and debug any WebGL context.

    BabylonJS

    1,207 users

  • Svelte Devtools

    Svelte Devtools

    Browser devtools extension for debugging Svelte applications.

    RedHatter271

    1,199 users

  • AdBlock Bypass Detector & Popup Remover

    AdBlock Bypass Detector & Popup Remover

    Remove overlays, sticky headers, and anti-adblock walls. Includes Reader Mode, Dark Mode, and a custom Element Zapper

    CieloWeb

    1,181 users

  • Pesticide, for Firefox

    Pesticide, for Firefox

    Kill your css layout bugs! Pesticide is an open source CSS tool created by Adam Morse and available for download, forking on Github at http://pesticide.io/

    Daniel Oshiro

    1,161 users

  • M3U8/HLS Player with Custom Keyboard Controls

    M3U8/HLS Player with Custom Keyboard Controls

    Advanced M3U8/HLS player with customized keyboard controls/shortcuts just like YouTube. Supports keyboard shortcuts, PIP mode, frame navigation, and live streams.

    Bishal Dahal

    1,149 users

  • AInspector for WCAG Accessibility Evaluation

    AInspector for WCAG Accessibility Evaluation

    Inspects web pages for features and issues related to WCAG 2.2 level A and AA requirements for making web pages more accessible to people with disabilities using web accessibility standards, including WCAG, ARIA and ARIA in HTML specifications.

    Jon Gunderson

    1,148 users

  • Multiple Search and Highlight

    Multiple Search and Highlight

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

    Brian

    1,136 users

  • Ona – Move beyond your IDE

    Ona – Move beyond your IDE

    Ona is your mission control for serious software projects and parallel coding agents. Keep momentum with secure dev environments in our cloud or your VPC.

    Ona

    1,130 users

  • Season Pass Pass

    Season Pass Pass

    Travel back in time and pull rewards from any previous season pass in destiny 2

    Evade

    1,122 users

  • MaterialDesignIcons Picker

    MaterialDesignIcons Picker

    Quick and easy icon picker

    Quentin Stoeckel

    1,110 users

  • Download with FlashGet

    Download with FlashGet

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

    Joe Ertaba

    1,110 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,109 users

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1,108 users

  • Grids & Rulers

    Grids & Rulers

    Create rulers and grids overlays to help develop your web applications

    Jeremie Patonnier

    1,096 users

  • Ace Script

    Ace Script

    User Script Manager with the support of Ace Stream technologies

    Ace Stream

    1,093 users

  • Display #Anchors

    Display #Anchors

    Displays anchors for all content in the current web page without breaking the layout.

    Rob W

    1,080 users

  • HTMaiL: Insert HTML into email message

    HTMaiL: Insert HTML into email message

    This extension will allow you to easily insert HTML code into the body of the message from your favorite webmail service: Gmail, Outlook, and Yahoo Mail.

    dziul

    1,078 users

  • Full Page Screenshotter

    Full Page Screenshotter

    Capture full-page screenshots in Firefox, including scrolling and app-style pages. Fast, local, private — no tracking or uploads.

    Amarjit

    1,072 users