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7,447 extensions found in Web Development

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  • Temporary Mobile View

    Temporary Mobile View

    Temporarily switch the current tab into Android or iOS view

    Lunu

    272 users

  • Twitter Video Downloader MP3 MP4

    Twitter Video Downloader MP3 MP4

    New Firefox Extension Twitter Video Downloader MP3 MP4 let you easy download any content from Twitter in few steps. Get any Video from Twitter and Download it in MP3, MP4, M4A and other best quality formats. Download video from Twitter TT with FF.

    Youzik YouTube MP3 Converter

    272 users

  • Image Map Editor

    Image Map Editor

    Kontrolle und Bearbeitung der Image Maps in der Webseite mit Lupe.

    Heinz-Jürgen Boms

    271 users

  • responsivo

    responsivo

    A web extension for firefox allowing to view multiple view widths at once. Inspired by Emmet Re:view

    michael.lill

    271 users

  • Material Design Colors Picker

    Material Design Colors Picker

    Copy a Material Design Color in one click in either #HEX, HEX, RGB and RGBA format.

    Alexandre CIPOR

    271 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

    271 users

  • AWS SSO Extender

    AWS SSO Extender

    Demo: https://www.youtube.com/watch?v=Kpd82mK3Itk ⭐ Quickly access your Favorite AWS SSO apps 🎨 Customize your profiles, roles & AWS console 🔑 Assume IAM roles from your SSO profiles 🦊 Open the AWS console in Firefox Containers

    WTFender

    270 users

  • 复制链接/标签名称和地址

    复制链接/标签名称和地址

    Copy the name and URL of a link or a Tab. 复制链接或标签页的名称和地址

    Ren Wei

    270 users

  • HTML Content Blocker

    HTML Content Blocker

    Blocks desired HTML contents (script, style, image, object, media)

    ilGur

    270 users

  • Open Two-Factor Authenticator

    Open Two-Factor Authenticator

    A sync-able open-source two-factor authenticator

    InBasic

    269 users

  • Link Analyzer

    Link Analyzer

    Analyze the status of the links in a complete webpage or in selected text.

    damufo

    267 users

  • Open in Opera

    Open in Opera

    Open current page, link, or all tabs in the Opera browser.

    Andy Portmen

    266 users

  • Easy Steam Collection

    Easy Steam Collection

    This will create an easier way to add all of your addons to any stream collection you create in a single click.

    SteamCollectionAddAll

    265 users

  • SeLite SQLite Connection Manager

    SeLite SQLite Connection Manager

    It manages SQLite DB connection(s). It can be used with other extensions from SeLite family, or on its own.

    Peter Lyons Kehl

    265 users

  • Cookie Importer

    Cookie Importer

    Effortlessly import and manage your cookies from both Netscape and JSON formats in one click! with advanced conflict resolution options.

    Neeno

    264 users

  • Webcompat.com Reporter

    Webcompat.com Reporter

    Adds a button to allow users to easily report site compatibility issues at webcompat.com, for the active tab.

    Thomas Wisniewski

    263 users

  • Virtual Hosts

    Virtual Hosts

    Apply virtual hosts and overwrite the Hosts header for development purposes.

    Longoon

    261 users

  • Timer Mulp

    Timer Mulp

    Make Timer great again.

    Gilnom

    259 users

  • Color Picker

    Color Picker

    Pick up amazing color on one click

    Lokdien

    258 users

  • Performance-Analyser

    Performance-Analyser

    Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.

    Michael Mrowetz

    258 users

  • Characters Counter

    Characters Counter

    Find out how many characters there are in a selection by simply right-clicking it.

    Minkiu

    258 users

  • LoremGen

    LoremGen

    Get your every day lorem ipsum text faster.

    Colin Espinas

    257 users

  • Adobe Target VEC Helper

    Adobe Target VEC Helper

    Load your website's desktop and mobile views effortlessly in Adobe Target with the VEC helper extension

    Adobe

    257 users

  • URL2QRCode

    URL2QRCode

    Converts Current URL to QRCode.一键转换当前地址栏链接为二维码，无需联网快速生成二维码

    Firefox user 13535997

    257 users

  • NumÉcoDiag

    NumÉcoDiag

    NumEcoDiag vous permet d’évaluer facilement l’écoconception de votre service ou produit numérique. Développé par la MiNumEco, il se base sur les 79 critères du Référentiel Général d’Écoconception de Services Numériques (RGESN).

    MiNumEco

    257 users