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

Log in

8,778 extensions found in Web Development

Filter results
Search results
  • Textern

    Textern

    Edit text in your favourite external editor!

    Jonathan Lebon

    206 users

  • HTTP Indicator

    HTTP Indicator

    Indicator for HTTP/2, QUIC and HTTP/3

    pd4d10

    205 users

  • かんたん文字数カウント

    かんたん文字数カウント

    選択したテキストの文字数を数えることができるFirefox アドオンです。 記事の文字数の確認や校正などにご活用ください。

    Masaki Wakatake

    205 users

  • Google Analytics Logger

    Google Analytics Logger

    This extension serves to act like a logger for various google analytics events on any site. ‣ Supports page views, interaction events, user timing, social and exception events. ‣ Works with legacy GA ‣ Logs duplicate events and error events

    Firefox user 13092568

    204 users

  • FeHelper(前端助手)

    FeHelper(前端助手)

    FE助手：前端开发必备工具集，涵盖JSON格式化、代码美化与压缩、二维码生成、网页定制、便签笔记等数十种实用功能。界面现代、响应式设计，极致性能优化，国内可用，助力高效开发！

    阿烈叔

    204 users

  • Fullscreen anything

    Fullscreen anything

    Let user select element to maximize

    forstjiri

    204 users

  • Markdown Diagrams

    Markdown Diagrams

    Renders diagrams and charts code blocks into preview images. Supports many languages: PlantUML, Mermaid, C4, GraphViz, Erd, Nomnoml, BPMN, *Diag, Bytefield, Ditaa, Svgbob, UMlet, Vega, Vega-Lite, WaveDrom.

    Modulo srl

    203 users

  • Odoo Easy Debug

    Odoo Easy Debug

    This extension changes to debug mode and vice-versa in Odoo ERP. Usage: - One click to activate and disable debug mode - Double click to activate and disable debug mode with assets ONLY FOR ODOO/OPENERP For more info see github.

    TheBigTester

    203 users

  • ViewCached

    ViewCached

    Checks the cached version of the site on ViewCached.com

    Giant Anchovy Solutions

    203 users

  • Histogram Viewer

    Histogram Viewer

    Generates the histogram of a selected image.

    David Fichtmueller

    202 users

  • SEO Website Scanner: Meta, Headings, etc.

    SEO Website Scanner: Meta, Headings, etc.

    Scans a page for basic SEO meta information and headings.

    SEO Website Scanner

    201 users

  • Postwoman-ufo Browser Extension

    Postwoman-ufo Browser Extension

    为使用Postwoman UFO Web应用程序提供更好的体验，顺畅的在 postwoman.com.cn 和 postdata.cn WEB应用下访问localhost应用内WEB API，请访问 (https://postwoman.com.cn)

    chenqingzi

    201 users

  • Javascript Control

    Javascript Control

    Add a button in the url bar to block or enable javascript per-site. Default is javascript disabled.

    Erwan Ameil

    200 users

  • KOSHIAN メール欄を表示

    KOSHIAN メール欄を表示

    メール欄を表示します

    Pachira

    199 users

  • CSS Layout Debugger

    CSS Layout Debugger

    When activated, CSS Layout Debugger applies dynamic backgrounds and outlines to elements on the page in order to assist in layout debugging.

    CSS Layout Debugger

    199 users

  • URL Encoder Decoder

    URL Encoder Decoder

    URL Encoder Decoder

    Ram

    197 users

  • Webpage to Excel and PDF

    Webpage to Excel and PDF

    convert webpages to Excel and PDF formats

    digitaldavid

    196 users

  • Canonical

    Canonical

    Allows you to quickly navigate to or copy the canonical version of the URL you're on, if available.

    Web Guy

    194 users

  • Website Technology Detector

    Website Technology Detector

    Detects technologies used in websites

    Sumalya Chatterjee

    193 users

  • OneDrive (Pin Tab)

    OneDrive (Pin Tab)

    Switch to OneDrive (Pin Tab) with a single click or a Hot Key (Alt+O)!

    Senthil Ponnusamy

    193 users

  • EXP Cookies Tool

    EXP Cookies Tool

    This addon help the user can export the browser cookies to file and import the cookies from file https://chrome.google.com/webstore/detail/exp-cookies-tool/necipeebkikcoingolmohfaeckegimid

    Mạnh Ninh

    193 users

  • 定时刷新页面和触发按钮事件

    定时刷新页面和触发按钮事件

    可自定义时间定时刷新当前页面，也可以自定义按钮ID定时触发该按钮点击事件，类似按键精灵效果

    疯狂插件

    193 users

  • User Agent

    User Agent

    Change your user agent QUICKLY and EASILY! Our extension includes SEVERAL ADVANCED methods of user-agent spoofing! To test its efficiency: https://webbrowsertools.com/useragent/

    SandVPN

    192 users

  • GitIngest - Turn any Git repo to LLM prompt

    GitIngest - Turn any Git repo to LLM prompt

    Turn any Git repository into a prompt-friendly text ingest for LLMs. By replacing hub with ingest to access a coresponding digest.

    甜檸Cirtron🍋

    192 users

  • Vue Performance Devtool

    Vue Performance Devtool

    A devtool extension for inspecting the performance of Vue components.

    Rafael Escala

    192 users