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14,747 extensions found in Web Development

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  • network monitor without devtools

    network monitor without devtools

    monitor the network without web devtools.

    lune

    681 users

  • 网页图片批量下载

    网页图片批量下载

    组件可以用来在网页上检测图片如.jpg/.jpeg/.png/.bmp/.webp等各种格式的图片，用户可自由选择这些图片并批量下载这些图片。

    twox911

    676 users

  • JSON Beautifier & Editor

    JSON Beautifier & Editor

    Display JSON objects by transforming them into Syntax editable highlighted HTML

    Joe Ertaba

    675 users

  • Responsively Helper

    Responsively Helper

    An extension to open current browser page in Responsively app

    Manoj Vivek

    673 users

  • New Tab Same Group

    New Tab Same Group

    Opens new tabs in the same group as the active one — right after, at the beginning, or at the end. Supports Firefox’s native tab groups, vertical (sidebar) or horizontal (classic) modes.

    david demri

    673 users

  • Favicon Detector

    Favicon Detector

    A simple way to detect website icons.

    BlackGlory

    672 users

  • 1DM Integration Module

    1DM Integration Module

    Silently intercepts browser downloads and redirects them to the 1DM (1DM+) download manager app on Android.

    Shawon2901

    668 users

  • Codeforces Rating-Based Heatmap

    Codeforces Rating-Based Heatmap

    Displays a rating-based problem-solving heatmap on Codeforces profile pages.

    Gopikrishna

    663 users

  • Toggle Cache

    Toggle Cache

    Disables or enables the browser cache.

    Manuel Reimer

    657 users

  • HAR/JSON viewer

    HAR/JSON viewer

    Embedded HAR/JSON viewer. Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view.

    Savr Goryaev

    657 users

  • InlineDisposition Reloaded

    InlineDisposition Reloaded

    InlineDisposition Reloaded changes the disposition type of "Content-Disposition" response headers from "attachment" and "file" to "inline"

    Pasha_ZZZ

    656 users

  • ModHeader ✨ by modheader.app ✅

    ModHeader ✨ by modheader.app ✅

    ModHeader ✨ by modheader.app ✅ Modify change add edit update remove replace override HTTP request and response headers free.

    ModHeader Inc

    654 users

  • Scrum for Trello

    Scrum for Trello

    Scrum for Trello adds functionality to the awesome trello.com for use in Scrum projects. Add estimates or record time-spent directly on Trello cards. Shows sums at the top of each list and the top right corner of each board.

    Sean Colombo

    652 users

  • Auto Form

    Auto Form

    Copy/Paste all fields from a web form (with hotkey or contextual menus)

    olifozzy

    649 users

  • Laxmi Telugu Tech - Form Fill

    Laxmi Telugu Tech - Form Fill

    Fast profile-based form filling for supported online forms. Compatible with Firefox desktop and Android, with responsive mobile interface and profile settings.

    Laxmi Telugu Tech

    648 users

  • Bug Magnet

    Bug Magnet

    Right-click context menu to help with exploratory testing

    Gojko Adzic

    647 users

  • Tweeks - Customize Any Website

    Tweeks - Customize Any Website

    Personalize sites you use every day with Tweeks. Make the web work your way.

    NextByte

    638 users

  • File Icon for GitHub, GitLab and Bitbucket

    File Icon for GitHub, GitLab and Bitbucket

    A Firefox Add-On which gives different filetypes different icons to GitHub, Gitlab, Bitbucket, gitea and gogs.

    xxhomey19

    633 users

  • Permanent Inspect Element

    Permanent Inspect Element

    Save the changes you make to a page with Inspect Element so they wouldn't go away after refreshing

    BreezB

    633 users

  • Font Inspector (WebExtension)

    Font Inspector (WebExtension)

    Click on any element to get the font info in a page popup

    Alex

    632 users

  • RDS bar (seo: pr, dmoz, alexa, seomoz)

    RDS bar (seo: pr, dmoz, alexa, seomoz)

    RDS Bar is a handy tool for quick analysis of website and page SEO indicators, designed for webmasters and optimizers. And also with a number of useful features for ordinary users.

    Recipdonor

    631 users

  • Responsify viewer

    Responsify viewer

    A simple slider to check the responsivness of the website.

    Karthikeyan Rajendran

    631 users

  • GitKraken Browser Extension

    GitKraken Browser Extension

    Track your pull requests for GitHub, GitLab, Azure DevOps, and BitBucket. Open repos, commits, PRs, and branches in VS Code with GitLens or the GitKraken Desktop.

    GitKraken

    623 users

  • YourAIScroll - AI Chat History Exporter

    YourAIScroll - AI Chat History Exporter

    Export your AI chat history from DeepSeek, Claude, Grok and more. Save conversations including ChatGPT Canvas, Claude Artifacts.

    Kareverie

    623 users

  • LanguageTool Website Spellcheck - LTWS

    LanguageTool Website Spellcheck - LTWS

    LanguageTool Website Spellcheck - LTWS is a convenient Firefox extension that allows you to check any text on web pages for spelling, grammar, and style issues using the powerful LanguageTool service.

    M.H.

    622 users