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10,851 extensions found in Web Development

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  • Grids & Rulers

    Grids & Rulers

    Create rulers and grids overlays to help develop your web applications

    Jeremie Patonnier

    1,267 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

    1,242 users

  • NoFollow

    NoFollow

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

    Igor Jerosimić

    1,242 users

  • Edit Anything

    Edit Anything

    Edit Anything from Chrome is now on Firefox. Before It was on Chrome. Click icon to turn on. sets contentEditable to true. Click to set false. If on then click text/any other element and make the changes. Changes don't persist after reload.

    Kellen

    1,241 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.

    Silent Dude

    1,240 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

    1,238 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,223 users

  • MetaMask Legacy Web3

    MetaMask Legacy Web3

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

    danfinlay

    1,220 users

  • Page Hacker

    Page Hacker

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

    nico@nc

    1,216 users

  • Download with FlashGet

    Download with FlashGet

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

    Joe Ertaba

    1,214 users

  • Ace Script

    Ace Script

    User Script Manager with the support of Ace Stream technologies

    Ace Stream

    1,198 users

  • Twitter

    Twitter

    Download the images and videos.

    Lim Xiu Quan

    1,194 users

  • MaterialDesignIcons Picker

    MaterialDesignIcons Picker

    Quick & easy icon picker

    chteuchteu

    1,189 users

  • Mobile DevTools

    Mobile DevTools

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

    surv

    1,180 users

  • Display #Anchors

    Display #Anchors

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

    Rob W

    1,180 users

  • Adblock For Youtube

    Adblock For Youtube

    Adblock For Youtube & Auto Ad Skip It is auto ad skip for youtube, ad blocker, hides ad banner in youtube home screen.

    Patricia Fisher

    1,179 users

  • Gemini next to Google results

    Gemini next to Google results

    🗨️ Gemini answer alongside Google results.

    OptiSearch

    1,172 users

  • RemoveYouTubePause

    RemoveYouTubePause

    Remove the 'Video paused. Continue watching?' message on YouTube, allowing for a seamless video and audio experience without interruptions, on Firefox for both desktop and mobile.

    DevTiagoCruz

    1,166 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

    1,161 users

  • OwlZoom for Youtube Videos

    OwlZoom for Youtube Videos

    Zoom+in Youtube Videos

    Ferris Etanish

    1,155 users

  • JSON-handle

    JSON-handle

    A JSON text formater tool .

    stonepurple

    1,141 users

  • DataScraper

    DataScraper

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

    Rakot

    1,138 users

  • IEability - Open in IE

    IEability - Open in IE

    Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.

    Thienhabet

    1,135 users

  • Debug CSS

    Debug CSS

    Adds outline to all elements on the page to show the culprit element which is changing desired layout hit `Alt+Shift+C ` key to toggle the extension

    Pranay Joshi

    1,126 users

  • Advent of Code Charts

    Advent of Code Charts

    Inject charts in your private leaderboard page for Advent of Code - see https://github.com/jeroenheijmans/advent-of-code-charts

    Jeroen Heijmans

    1,124 users