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1,161 extensions found in Web Development

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  • Meta Viewport Adder

    Meta Viewport Adder

    Adds the meta viewport tag only to sites that don't have it.

    Heinrich Lunge

    30 users

  • EncodeDrop

    EncodeDrop

    Drop text to encode or decode — Base64, URL encoding and more

    Clint

    30 users

  • Vision Filter

    Vision Filter

    Apply deuteranopia protanopia and other vision filters

    rojas.nicole

    30 users

  • Sci Calc

    Sci Calc

    Scientific calculator with memory trig and log functions

    enzo

    30 users

  • MediaGuard

    MediaGuard

    Guard your media — auto-pause when leaving tab, auto-resume on return

    GsiaBlandine

    30 users

  • Quick QR

    Quick QR

    Create scannable QR codes from the current page or text

    Oishially

    30 users

  • Text Hasher

    Text Hasher

    Fast cryptographic hash tool with copy and compare

    Jazbiya Toutorīxs

    30 users

  • Domain Probe

    Domain Probe

    Query A AAAA MX TXT NS records for any domain name

    Sandra Baer

    30 users

  • MeasurePx

    MeasurePx

    Measure any element or distance on the page in pixels with a ruler

    Ozana

    30 users

  • Env Info

    Env Info

    Inspect browser environment hardware and screen details

    Galina Safronova

    30 users

  • UnitFlip

    UnitFlip

    Convert length, weight, temperature, volume and speed offline

    haroldnava

    30 users

  • RefreshBadge

    RefreshBadge

    Track page reload count per tab with a live toolbar badge

    Zain

    30 users

  • DigestBox

    DigestBox

    Digest any text to MD5/SHA hashes instantly in the toolbar

    Aexodi

    30 users

  • IDB Explorer

    IDB Explorer

    Browse and manage the IndexedDB databases of any website. View, inspect, and delete records.

    Hendrix

    29 users

  • WPlace Darkmode

    WPlace Darkmode

    Adds a button to wplace.live to switch between dark and light mode.

    Enea

    29 users

  • SiteIP

    SiteIP

    Displays the actual IP address of the server for the current site.

    VAAR

    29 users

  • diffs.dev

    diffs.dev

    Adds a button to open diffs in the diffs.dev diff viewer.

    Jason Penilla

    29 users

  • HTTP Headers Spy

    HTTP Headers Spy

    View response headers of any URL you enter or fetch

    xbq666

    29 users

  • Clipboard Manager

    Clipboard Manager

    Save and browse your recent clipboard history

    Radko Lachlan

    28 users

  • Roblox Developer - Toolkit

    Roblox Developer - Toolkit

    Developer Toolkit gives you instant access to advanced developer settings, hidden tools, and quick controls for toggling features, managing configurations, testing, and debugging — all in one sleek interface, like a real developer.

    Trusted Developer Inc

    28 users

  • One Click W3C Markup Validation

    One Click W3C Markup Validation

    Sends the current page to the W3C Markup Validation Service.

    tr-wp.com

    28 users

  • PC Addons for Android

    PC Addons for Android

    Always show the desktop version of AMO in Firefox for Android.

    FoxRefire

    28 users

  • Secure Passkey

    Secure Passkey

    Create secure passwords with symbols and length control

    Kamiya

    27 users

  • GitHub Pages 404

    GitHub Pages 404

    Provides links to Owner's Profile and GitHub Repo on a GitHub Pages 404 page.

    Harsh Narayan Jha

    27 users

  • Accessibility Visualizer

    Accessibility Visualizer

    Visualize important accessibility properties (accessible names, heading levels, form labels etc).

    ymrl

    27 users