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

Log in

12,713 extensions found in Web Development

Filter results
Search results
  • HeaderPaste Inspector

    HeaderPaste Inspector

    Paste raw HTTP headers, review parsed fields, check common header issues, and copy a local report.

    Masson22

  • Code Injectormkl

    Code Injectormkl

    Inject code into websites! (JavaScript, CSS, HTML and Files)

    Libbritt

  • Commander

    Commander

    Firefox extension to run browser and web page actions.

    szeidat

    0 users

  • Anytime Notes

    Anytime Notes

    Write and store notes even without an internet connection.

    Samuel

    0 users

  • GIMP Web Companion

    GIMP Web Companion

    Quick access to GIMP and related design resources

    gimp-web-companion

    0 users

  • TkSave

    TkSave

    Download TikTok videos easily.

    tksave

    0 users

  • YAML Switch

    YAML Switch

    Switch between YAML and JSON instantly, both directions, with inline validation errors. Great for k8s manifests, Ansible playbooks and compose files. Uses the bundled js-yaml library. Offline.

    stanfill

  • TickBack

    TickBack

    TickBack is a browser extension that adds task progress indicators on the GitHub issue page - shows completed/total task counts with visual progress circles.

    JaTar

    0 users

  • Redmine Quick Tools

    Redmine Quick Tools

    Quick actions, notifications, dashboard and keyboard shortcuts for Redmine

    Clona

    0 users

  • Pena Justa

    Pena Justa

    Acelere sua analise de indultos com Pena Justa.

    Rintek

    0 users

  • 开发工具箱

    开发工具箱

    开发工具箱

    kevelena

  • DOMO ETL Parser

    DOMO ETL Parser

    Parse and document DOMO Magic ETL workflows from JSON — paste or upload ETL JSON to generate HTML, Markdown, Sheets or Text reports.

    DOMO ETL PARSER

  • Alx Knife

    Alx Knife

    HTTP Header Knife inserts HTTP headers and script on a per host basis.

    Dormines

    0 users

  • EXTENSION.browser

    EXTENSION.browser

    EXTENSION.browser opens a web page or a link in another browser via toolbar action or context menu.

    X.app

  • Thuê VPS giá rẻ VN

    Thuê VPS giá rẻ VN

    Popup Firefox add-on hiển thị các gói VPS giá rẻ, cao cấp và FAQ từ THUEVPSGIARE.

    Thuê VPS Giá Rẻ

    0 users

  • Haspit | Secure Your Email with Blockchain

    Haspit | Secure Your Email with Blockchain

    Haspit | Secure Your Email with Blockchain

    Haspit

    0 users

  • remove user agent

    remove user agent

    remove user agent string

    extension

    0 users

  • Mozeidon Z

    Mozeidon Z

    Native-messaging add-on that reads and manages Firefox tabs and bookmarks by communicating with a local helper application.

    A-Layer

    0 users

  • SpecterPulse Pro – Ethical Hacker's Toolkit

    SpecterPulse Pro – Ethical Hacker's Toolkit

    All-in-one client-side recon, attack surface mapping, and vulnerability probes for pen-testers & bug bounty hunters.

    Srimant Kumar

  • VTB Card Age Highlighter

    VTB Card Age Highlighter

    Highlights ServiceNow Visual Task Board cards based on how long they've been open.

    Stefan Reichelt

  • Color Picker & Converter

    Color Picker & Converter

    Pick a color with the native picker or type a hex value, and instantly see it in HEX, RGB and HSL. Click any value to copy it, and save colors as swatches you can reuse later.

    aouz

  • Random Picker

    Random Picker

    Make quick random decisions: roll dice in NdM notation, generate a number between any two values, toss a coin, or paste a list to draw one at random or shuffle the whole thing. Everything runs locally.

    rein

  • Refererer

    Refererer

    The Sidebar displays HTTP Referer headers for all websites in real-time.

    Libor Benes (Dr. B)

    0 users

  • SmartPaste — Multi Clipboard

    SmartPaste — Multi Clipboard

    Copy Tired of losing your last copy? SmartPaste lets you copy multiple items and paste any of them instantly via right-click menu — in the exact order you copied them.multiple items and paste any of them via right-click menu, in order.

    Yoossef

    0 users

  • QUICK TOOLS (AUTOMATE WORKFLOW)

    QUICK TOOLS (AUTOMATE WORKFLOW)

    Premium proxy manager with bulk import, smart link opener, ad & tracker blocking, and full-page screenshot tool.

    king surya