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

Log in

13,775 extensions found in Web Development

Filter results
Search results
  • Metrics Dashboard

    Metrics Dashboard

    Configurable metrics dashboard for Datadog and Kibana. Load custom query configurations to display KPI tables.

    kukat

  • Muofu AI Quota Lens

    Muofu AI Quota Lens

    Local insights into ChatGPT Codex usage, reset credits, and model-route metadata.

    末伏之夜

  • Forensic Screenshot

    Forensic Screenshot

    1-click forensic evidence capture directly from your sidebar. Saves a timestamped (local and UTC) tab screenshot and a detailed text metadata report locally. • Security-First Architecture. Safe Code. All client-side. No Tracking. No data collection.

    Libor Benes (Dr. B)

    1 user

  • BrewSearch

    BrewSearch

    Look up Homebrew packages from the address bar.

    Amado Tejada

    1 user

  • 代理切换器 (Proxy Switcher)

    代理切换器 (Proxy Switcher)

    一个简单的代理切换工具，没有太多功能，专注最基本的功能。

    cn_d2550

    1 user

  • GitHub Resizer

    GitHub Resizer

    Make GitHub pages as wide as you want - anywhere between the default 1280 px and your full screen, in 1 % steps. Slider in the toolbar, syncs across devices, no reload needed.

    R0GGER

    1 user

  • Phishing Alert

    Phishing Alert

    Detect and block phishing websites

    Phishing Alert

    1 user

  • SnapAI: Sidebar for Claude

    SnapAI: Sidebar for Claude

    Claude AI sidebar — summarize, translate, explain any page. Right-click actions, BYOK, privacy-first.

    Scanner Foncier Pro

    1 user

  • AutoForm Glimpse

    AutoForm Glimpse

    A developer tool for automatically filling forms in development environments.

    devendra

    1 user

  • extracto-ocr

    extracto-ocr

    Extract structured information from screenshots, PDFs and images.

    Extracto

  • More Ractive Data

    More Ractive Data

    Adds details about Ractive Components to Firefox via the web extensions API (based on the Chrome plugin).

    SquaredUp

    1 user

  • HeaderNinja

    HeaderNinja

    Add or override HTTP request headers on outgoing requests, with an optional URL filter per rule. No tracking, no data collection.

    Asif Iqbal

  • Live Reload Pro

    Live Reload Pro

    Enable Live Reload on any page with configurable ports. Perfect for web development with Rust, Python, Node.js, and more.

    Dracon

    1 user

  • Word Count

    Word Count

    Displays the number of characters on the current web page.

    KUWIN

    1 user

  • AI魔方RPA

    AI魔方RPA

    连接 AI魔方 RPA 桌面端与 Firefox 网页标签页，提供元素捕获和网页自动化能力。

    佰德

  • Apc Gmail

    Apc Gmail

    Adiciona cor na Linha TR de mensagens com Estrela

    Lixo Apc

    1 user

  • Doc Detective Companion

    Doc Detective Companion

    CSS selector helper and test builder.

    hawkeyexl

    1 user

  • Git Tab Viewer

    Git Tab Viewer

    Views a 4-spaced tab(default) for github editor. Version 1.3 - Option to change the tab size based on preference. Version 1.4 - Option for having 0 spaces tab indents. See website for more details.

    sivasatvik

    1 user

  • List Finder

    List Finder

    Finds all lists on page and gives them a pink border.

    sinckath

    1 user

  • TabPro

    TabPro

    Close your tabs with Keyboard shortcuts. Tabs to your left => Alt L, Tabs to your right => Alt R, All except current Tab => Alt W

    Sridhar Raj Sampath Kumar

    1 user

  • AdCare

    AdCare

    Blocks common ad networks

    Ragillio Aji

    1 user

  • GitHub Username Highlighter

    GitHub Username Highlighter

    Highlight arbitrary usernames on the GitHub merge queue

    Mike Crittenden

    1 user

  • GitHub Search Preview

    GitHub Search Preview

    Enables showing a preview of the full file from the GitHub search results page.

    ndom91

    1 user

  • AWS Cognito Token

    AWS Cognito Token

    Retrieve AWS Cognito Access Token

    Giorgi

    1 user

  • 00--CRISPR

    00--CRISPR

    CRISPR lets you live-edit websites by manipulating their DOM. Toggle visual and structural modules to distort, dissect, or reveal how pages work—turning passive browsing into an active, experimental interaction with the web.

    sarah iller

    1 user