To use these add-ons, you'll need to download Firefox.

Log in

10,965 extensions found in Web Development

Filter results
Search results
  • GrabChat - Export AI Chats to JSON, MD, PDF

    GrabChat - Export AI Chats to JSON, MD, PDF

    Export conversations from all major LLM platforms to JSON, Markdown, and PDF

    Shady

    18 users

  • QualiSignExtension

    QualiSignExtension

    QualiSign Extension - PKI extensions. This extension is used for document signing, verification of signed documents, hash calculation. All cryptographic operations are performed by this plugin

    luis ricardo costa

    18 users

  • Roblox Themes – E-ROBLOX: Animated & Static Design

    Roblox Themes – E-ROBLOX: Animated & Static Design

    E-ROBLOX is a lightweight Firefox extension that enhances Roblox with a variety of free themes, greetings, and smooth integration—safe, fast, and optimized for both PC and mobile devices.

    e-lyas

    18 users

  • Compress PDF to 200KB

    Compress PDF to 200KB

    A tool to compress PDFs to 200KB directly from your broEasily compress PDF files to under 200KB directly from your browser for quick sharing, storage, or email attachments.

    Anna Hash

    18 users

  • Luminate Online Page Editor

    Luminate Online Page Editor

    This extension makes it easier to edit pages on your organization's Luminate Online website.

    Noah Cooper

    17 users

  • Rocket Web Start

    Rocket Web Start

    This extension helps run Java Web Start applications in all java versions, including OpenJDK 11, Oracle Java 11

    Rocket Software

    17 users

  • CSS and JS Injector

    CSS and JS Injector

    Injects custom CSS and JavaScript into specified websites to change their look

    Ashutosh

    17 users

  • CookieSync: syncs cookies to localhost

    CookieSync: syncs cookies to localhost

    This is an add-on which copies cookies to localhost. Target audience are developers that have code running on localhost which needs access to cookies set on other domains.

    Roel Noten

    17 users

  • IAMAG Vision Lite

    IAMAG Vision Lite

    Visual Intelligence for Artists: Palettes, Values & TemperatuInstant visual diagnostics for artists. Analyze reference images on any website to reveal dominant color palettes, luminance values, composition masses (Notan), and dynamic range exposurre.

    IAMAG vison

    17 users

  • BP Block Font Fingerprint

    BP Block Font Fingerprint

    AutomatiBlock detection of installed device fonts to prevent fingerprinting without changing website fonts or appearance or functionality. Simple and automatic extension will show 0 fonts detected and no unique glyph for each base type.

    BrowserPlugs

    17 users

  • Script Injector

    Script Injector

    Custom script injection.

    Happy Code Time

    17 users

  • Aerion

    Aerion

    The Aerion Browser Extension enables time entries to be entered directly from the browser.

    Aerion

    17 users

  • HTMLFilter

    HTMLFilter

    Removes undesirable elements from a web page.

    Baptiste Thémine

    17 users

  • Meeting Recorder

    Meeting Recorder

    Automatically create and store meeting records.

    Clifton Reyes

    17 users

  • PX to VW

    PX to VW

    Easily convert PX to VW and VW to PX.

    CSS Unit Converter

    17 users

  • XDebug WebExt

    XDebug WebExt

    XDebug helper, provides debug session, profiling and trace activation/deactivation on a per domain/container basis using cookies via an action icon.

    Pierre

    17 users

  • Search in StackOverflow Only

    Search in StackOverflow Only

    Uses duckduckgo to search your query in StackOverflow only

    Jolinkomo

    17 users

  • CyberInject

    CyberInject

    Security testing toolkit with 69 payloads for XSS, SQL injection, SSRF, LFI testing. For authorized ethical hacking and penetration testing only.

    CyberNilsen

    17 users

  • View Server

    View Server

    This extension uses the 'Server' and 'X-Powered-By' headers to determine the current site's server software

    Firefox user 13008763

    17 users

  • Razoscan by Razorfish.fr

    Razoscan by Razorfish.fr

    Allow user to calculate ecoIndex of given page.

    ltonin

    17 users

  • ChatGPT → Markdown (Side Panel)

    ChatGPT → Markdown (Side Panel)

    Esporta conversazioni ChatExport ChatGPT conversations to Markdown with one click. Instantly copy from a clean in-page side panel. No tracking, no external cGPT in Markdown con un clic. Visualizza e copia il contenuto da una tendina laterale in-page.

    Luigi S

    17 users

  • URI Splitter

    URI Splitter

    Easily and quickly edit the URL/URI from the current page

    Denilson Sá Maia

    17 users

  • Angular Doc Offline

    Angular Doc Offline

    Fetch guides, API docs, etc on https://angular.io or https://next.angular.io and use Offline version of angular.io in your browser.

    Mostafa

    17 users

  • Dynamic Content Link Extractor

    Dynamic Content Link Extractor

    Extract URLs from dynamically generated content using Linkify Plus Plus features. Leverages Linkify Plus Plus functionality to identify and extract URLs from dynamically generated web page elements, facilitating link extraction tasks for various purp

    BJ88

    17 users

  • SCDownloader

    SCDownloader

    A simple downloader for SoundCloud that allows users to save audio tracks from the platform for personal offline listening.

    SoundCloud Downloader

    17 users