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

Log in

14,398 extensions found in Web Development

Filter results
Search results
  • GESIS Surf Staging

    GESIS Surf Staging

    Nehmen Sie mit GESIS Surf an wissenschaftlichen Studien von GESIS – Leibniz-Institut für Sozialwissenschaften teil

    GS Staging

    1 user

  • SeLite Hands-on GUI

    SeLite Hands-on GUI

    Before installing, see the urgent note in its Details. SeLite Hands-on GUI - Selenium IDE extension. It makes Selenium IDE GUI more practical. You can edit comments and targets and values of commands 'in place' (where they are listed).

    Peter Lyons Kehl

    1 user

  • Isolator

    Isolator

    Pick an element on the current page and open an isolated preview in a new tab.

    HermitEngine

    1 user

  • ToolTiny PDF Tools

    ToolTiny PDF Tools

    Quick access to free online PDF tools, document translation, and productivity utilities.

    Ko Dien Tu

    1 user

  • Stackyard

    Stackyard

    Preview any public GitHub repo running live, right from its repo page.

    MWong

    1 user

  • Offer Relay

    Offer Relay

    Relay offer copy between approved Points Console variations.

    Krupal

  • Pasteboard Poison Protection

    Pasteboard Poison Protection

    Detect when copied data is silently changed by malware before pasting. Protects crypto wallets, banking info, and sensitive data.

    Dheelep N

    1 user

  • LeProxy Switcher

    LeProxy Switcher

    A Firefox extension to switch between different proxy types.

    rmrf99

    1 user

  • AudioJungleForcedVolume

    AudioJungleForcedVolume

    Forces volume on the AudioJungle product item page.

    JollyajaX

    1 user

  • gcianalytics-extension

    gcianalytics-extension

    A tool to see vendors and events being tracked on Gannett pages

    Data Collection at Gannett

    1 user

  • Multi-Timezone Clock

    Multi-Timezone Clock

    Track multiple time zones while browsing.

    Maxim Maddox

    1 user

  • Image Info Viewer

    Image Info Viewer

    Click any image to view detailed information including dimensions, file size, format and metadata

    Oceans Beyond Piracy

    1 user

  • Squint

    Squint

    Press alt+1|2|3|4 to turn web page into a grayscale mush

    Hyper Boar

    1 user

  • ThirdEye — Web Security Scanner

    ThirdEye — Web Security Scanner

    Real-time web security scanner. Detects XSS, CSRF, CSP issues, insecure cookies, vulnerable libraries, sensitive data exposurPassive web security scanner. Detects XSS, CSRF, CSP issues, insecure cooe, PCI DSS compliance, and 20+ checks on every page.

    ThirdEye Security

    1 user

  • Parse - Inspector & Auditor

    Parse - Inspector & Auditor

    Instantly audit any webpage — AI summary, SEO, security, accessibility, performance & broken links. Sidebar + CSV export.

    Harsha

  • Gcrawl

    Gcrawl

    Download entire websites and their assets (images, fonts, stylesheets, scripts) as a ZIP file for offline use, backup, or archiving.

    Gcrawl

    1 user

  • Advanced Proxy Control

    Advanced Proxy Control

    Advanced proxy routing with containers, per-tab and per-container controls. No toolbar hijacking — just proxy + containers.

    Hacker

  • Evil Morty Eye

    Evil Morty Eye

    Tactical HUD, Target Lock e exportação HTML.

    ALU STUDIO

    1 user

  • Prompt Nest

    Prompt Nest

    Prompt Nest is a private, local-only prompt manager for AI tools — organize, edit, tag, and search your prompts, with instant reuse and shareable cards. 100% open source, no servers, no tracking.

    Prasa

  • HostLens: Server IP, CDN & Tech

    HostLens: Server IP, CDN & Tech

    Server IP, CDN and tech stack of every site in a tiny corner badge. No extra requests, no tracking. By BK Modules.

    BK Modules

  • Resource Name Generator for Azure

    Resource Name Generator for Azure

    Instantly generate and validate cloud resource names that comply with the Cloud Adoption Framework or your custom naming standards.

    Sam Broughton

    1 user

  • Code Snippet Collector

    Code Snippet Collector

    Quickly save code snippets from any website.

    WIN79

    1 user

  • ClavionX SAML Debugger

    ClavionX SAML Debugger

    A SAML Diagnostic Assistant: capture SAML fClavionX SAML Debugger captures SAML SSO/SLO traffic locally and produces a deterministic, explainable root-cause analysis of login/llows locally and get an explainable root-cause analysis, not just a trace.

    ClavionX

    1 user

  • TrojAI Browser Extension

    TrojAI Browser Extension

    In-Flight LLM Safety Monitoring for web based LLM applications. We monitor traffic coming from AI enabled sites to make sure your enterprise can safely enable these sites without the need to worry about data leakage and other issues.

    Andrew

    1 user

  • Figma Mixed Styles

    Figma Mixed Styles

    Extract CSS of Figma text nodes with mixed styles. Works even in “View only” mode.

    Igor Adamenko

    1 user