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13,760 extensions found in Web Development

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  • Hreflang Tag Checker V3

    Hreflang Tag Checker V3

    Automatically checks hreflang tags on a page, crawls linked language versions, and verifies correct reciprocal links—ideal for quickly auditing international SEO setups.

    Thomas Czernik

    25 users

  • Streamus ByPasser

    Streamus ByPasser

    Don't waste your time with compliance. Streamus ByPasser circumvents annoying link shorteners.

    univ bypass

    25 users

  • Cookie Sweep

    Cookie Sweep

    Clear all cookies except for defined domains

    Markus Popp

    25 users

  • Akamai Detector

    Akamai Detector

    Indicates when a site is being accessed via Akamai.

    idiocache

    25 users

  • Code Formatter

    Code Formatter

    Beautify code instantly in Firefox. No more minified CSS, compressed JSON, or unreadable source code—this extension automatically detects and formats it all with syntax highlighting.

    sparkle_64

    25 users

  • Lenny Faces Keyboard

    Lenny Faces Keyboard

    Lenny Faces keyboard helps you create and copy/paste Lenny Faces to anywhere.

    Firefox addon Free

    24 users

  • Module Linker

    Module Linker

    Add direct links to imported modules on GitHub source code.

    fiatjaf

    24 users

  • Y2Matecom

    Y2Matecom

    Convert and download your favorite YouTube videos to MP3, MP4 with a single click!

    Developer

    24 users

  • SmartMarkr 智签管家

    SmartMarkr 智签管家

    SmartMarkr - 智能书签管理工具：重复检测、空文件夹清理、异常链接检测、智能归档，让书签井井有条！

    FDH

    24 users

  • Display None

    Display None

    Add a context action to hide element from a webPage (and a second one to reset all modifications).

    Cethy

    24 users

  • Maps Lead Extractor

    Maps Lead Extractor

    Extract Google Maps business leads with advanced filters, email discovery, lead scoring, duplicate removal, and CSV export.

    Hot_Bathroom1381

    24 users

  • Ticketmaster checkout

    Ticketmaster checkout

    Automatically refreshes until the tickets are available to buy and tries to checkout. When the event has a Find Tickets button the addon will click the button for you, the defaulted selected seats is 2.

    Peter

    24 users

  • Save DOM as HTML

    Save DOM as HTML

    Save the current page's live DOM as an HTML file with one click

    Expression Inc.

    24 users

  • Full Curl Copy

    Full Curl Copy

    Professional developer tool that allows you to copy network requests from the Firefox Developer Tools as rich, replayable cURL commands, complete with simulated request/response traces.

    Danya

    24 users

  • Lightshade Migration Helper

    Lightshade Migration Helper

    Helps users move their own Character.AI characters, personas and chat history into Lightshade.

    limon

    24 users

  • Format with Prettier

    Format with Prettier

    Use prettier from your browser!

    Lenz Weber-Tronic

    24 users

  • Certage

    Certage

    Show the remaining days for soon-expiring SSL certificates for any web page.

    Angus Dippenaar

    24 users

  • BC-Plume — Bandcamp Player Enhancer

    BC-Plume — Bandcamp Player Enhancer

    Plume is a free, lightweight browser extension that replaces the default Bandcamp audio player with a modern, feature-rich alternative. Plume makes listening to music on Bandcamp dramatically better.

    QuentindiMeo

    24 users

  • Github Repo Size

    Github Repo Size

    Add repository size to their github homepage. This is forked and updated to work with GitHub's current design and CSS. Forked from Shywim/github-repo-size

    Deetss

    24 users

  • 24sessions screen sharing P2P

    24sessions screen sharing P2P

    Screen sharing extension for 24sessions.com

    24sessions.com

    24 users

  • No More Brainrot

    No More Brainrot

    Block YouTube Shorts, Instagram Reels & distracting content. Track blocked attempts, pause blocking with timer, customize redirect URLs. Reclaim your focus!

    Dinesh Kumar E

    24 users

  • Bootstrap Deprecated Classes Extension

    Bootstrap Deprecated Classes Extension

    Bootstrap Deprecated Classes Extension allows developers to easily spot old Bootstrap deprecated classes in a website by highlighting them in the page.

    Julien Déramond

    24 users

  • Youtube Watch Thumbnails

    Youtube Watch Thumbnails

    Display YouTube video thumbnails directly on the watch page. This extension automatically shows thumbnail images next to the channel icon, allows you to view all available thumbnail sizes, and provides a hover zoom feature. Click the thumbnail to

    mosunset

    24 users

  • Beacon

    Beacon

    Generate a report from Beacon (digitalbeacon.co) with a single click

    Beacon

    24 users

  • Podróżuj między Geoportal i Google Maps

    Podróżuj między Geoportal i Google Maps

    Skrótem klawiszowym (Alt-Shift-D) otwiera lokalizację między Geoportal i Google Maps. Zmiana skrótu: https://support.mozilla.org/pl/kb/zarzadzanie-skrotami-klawiaturowymi-rozszerzen

    ptomaszek

    24 users