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13,617 extensions found in Web Development

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  • Anti Anti Debug

    Anti Anti Debug

    Be able to use developer tools again

    Andrew S

    301 users

  • ScriptCat Beta

    ScriptCat Beta

    Everything can be scripted, allowing your browser to do more!

    王一之

    298 users

  • SrcRplc - Unblock Imgur Images

    SrcRplc - Unblock Imgur Images

    This add-on allows to see blocked Imgur images in pages via proxy.

    Atakan Au

    297 users

  • Simple Modify Headers - Extended

    Simple Modify Headers - Extended

    Rewrites HTTP request/response headers based on a rules table.

    Warren Bank

    293 users

  • SnapOSINT

    SnapOSINT

    A snappy OSINT (open-source intelligence) searching tool that turns your search bar into a dedicated OSINT engine. This add-on is designed to save you time during your osint investigation.

    m4ny0p

    292 users

  • Gemini Chat Exporter - PDF, Markdown & NotebookLM

    Gemini Chat Exporter - PDF, Markdown & NotebookLM

    The ultimate Gemini AI exporter. Save chats as beautiful PDFs, Markdown, HTML, or TXT. Seamlessly send to NotebookLM or download locally with one click.

    TangerineKing

    292 users

  • LoadTabOnSelect

    LoadTabOnSelect

    Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.

    Aaron Horler

    291 users

  • WebHID

    WebHID

    Brings the WebHID API to Firefox: configure your keyboard, use your hardware wallet, or control your USB DAC from any website, via a fast local daemon.

    Kazoku

    290 users

  • Respieck - Responsive Tester

    Respieck - Responsive Tester

    Respicek: Your responsive design companion. Seamlessly preview and optimize your creations across devices. Intuitive interface, ensuring pixel-perfect adaptability from smartphones to desktops. The key to effortless responsiveness.

    Sammobadi

    290 users

  • Full Screen Multiple Monitor

    Full Screen Multiple Monitor

    This addons support to make automatically fullscreen at the startup for modern browser (Quantum version). This addons purposed for dashboard or kiosk system and can work for multiple monitor. First, set the homepage and then viola. all set sail!

    Yohanes AI

    288 users

  • HeaderMod

    HeaderMod

    Inject, update, edit, modify, override HTTP headers

    UtilsFactory

    287 users

  • Meta tags inspector

    Meta tags inspector

    Adds a new panel to the developer tools. This panel shows a clear overview of all metatags

    Numer

    286 users

  • [STG plugin] Open Manage groups

    [STG plugin] Open Manage groups

    Open Manage groups page in Simple Tab Groups extention

    Drive4ik

    286 users

  • Workona Tab Suspender

    Workona Tab Suspender

    Suspend your browser tabs to save memory.

    Workona

    285 users

  • Clickin

    Clickin

    https://youtu.be/pUEkz9HSty8 -- usage instruction. The most simple to use autoclicker... Literally, I made this because I couldn't find a good one :D

    B-aublys

    284 users

  • Header Editor Lite

    Header Editor Lite

    Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests

    泷涯

    283 users

  • Dummy Form Filler

    Dummy Form Filler

    One click to populate HTML forms with dummy data. Works out of the box.

    ptomaszek

    283 users

  • X QRCode

    X QRCode

    A powerfull chrome extension for qrcode encoding and decoding.

    nuintun

    283 users

  • BenefitHub: Your Wallet Will Thank You

    BenefitHub: Your Wallet Will Thank You

    All your member-only perks now a notification away

    BenefitHub

    280 users

  • Base64 Encoder and Decoder

    Base64 Encoder and Decoder

    Link Webbie Firefox add on that enables you to encode and decode strings in base64.

    Link Webbie

    280 users

  • Twitch Text Emotes - temotes

    Twitch Text Emotes - temotes

    Save your favorite text phrases ("LULW", "KEKW", emoticons, etc.) directly into the standard Twitch Emotes panel and use them in Twitch chat. Simple and useful.

    AdWars

    279 users

  • Auto Refresh A

    Auto Refresh A

    Automatically refresh the page every 60 seconds.

    pabloduenas

    279 users

  • Vulners Web Scanner

    Vulners Web Scanner

    Tiny vulnerability scanner based on vulners.com vulnerability database. Scan websites while you surf internet!

    Artyom Gavrichenkov

    279 users

  • Temporary Mobile View

    Temporary Mobile View

    Temporarily switch the current tab into Android or iOS view

    Lunu

    278 users

  • Pixefy - Responsive Design Checker

    Pixefy - Responsive Design Checker

    Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.

    Pixefy

    278 users