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12,097 extensions found in Web Development

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  • Password Analyzer

    Password Analyzer

    Test password strength with detailed security breakdown

    Praveen

    39 users

  • Yet Another Cookie Rejector

    Yet Another Cookie Rejector

    Automatically rejects cookie consent banners on websites.

    Majken

    39 users

  • TabVault

    TabVault

    Vault of closed tabs — search, filter and restore with one click

    Durai Jože

    39 users

  • TabAlert

    TabAlert

    Set tab alerts to notify and ring at any scheduled time

    darsi

    39 users

  • Spend Log

    Spend Log

    Quick expense entry with category totals and history

    Eimhir

    39 users

  • StickyGone

    StickyGone

    Make sticky and fixed elements disappear for a cleaner reading experience

    Fedorov

    39 users

  • StorageView

    StorageView

    Inspect localStorage and sessionStorage of the current tab

    Teofila

    39 users

  • MarkConvert

    MarkConvert

    Live Markdown to HTML converter with syntax preview and clean output

    FoxyDoxy

    39 users

  • Link Checker

    Link Checker

    Scan and check all links on the current page for errors

    Santan

    39 users

  • Hexconverter

    Hexconverter

    This addon instantly converts numbers from and to different formats : decimal, binary, octal, hexadecimal, base 256 and RGB formatted colors.

    Lionel Mahistre

    39 users

  • Scrapebold

    Scrapebold

    Webpage Data Extraction Tool

    Scrapebold

    39 users

  • Request Diff

    Request Diff

    Make two requests to the same URL with a delay and visualise the response diff.

    marilyn

    39 users

  • NetHeaders

    NetHeaders

    Inspect network headers — status codes, caching, security and CORS headers

    Jubair

    39 users

  • Screen Ruler

    Screen Ruler

    Drag to measure any area on screen in pixels

    keser

    39 users

  • SEOLens

    SEOLens

    SEO lens — view title, description, Open Graph and canonical tags

    omyjuk

    39 users

  • GUIDGen

    GUIDGen

    GUID generator — create multiple UUIDs and copy with one click

    Raybon

    39 users

  • SimpleCookie

    SimpleCookie

    A minimalist yet efficient cookie manager for Firefox

    mickaphd

    39 users

  • QR Generator

    QR Generator

    Generate a QR code for any URL or text instantly

    Oishially

    39 users

  • Konfetti Button

    Konfetti Button

    Add a floating confetti button to any page. Available in 6 languages.

    Eliooroz

    39 users

  • On Page Colors

    On Page Colors

    Scan page styles and collect dominant hex colors

    Ibrahim

    39 users

  • CSS Variables

    CSS Variables

    Extract all CSS custom properties from the current page

    Radbod Itzayana

    39 users

  • PixelRuler

    PixelRuler

    Draggable pixel ruler overlay to measure elements on any page

    Ozana

    39 users

  • Expense Tracker

    Expense Tracker

    Log daily expenses by category and track your spending

    Eimhir

    39 users

  • HashCalc

    HashCalc

    Calculate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text

    Aexodi

    39 users

  • Pretty Code

    Pretty Code

    Paste messy code and get it cleanly formatted instantly

    Noela

    39 users