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

Log in

8,961 extensions found in Web Development

Filter results
Search results
  • CSP Evaluator

    CSP Evaluator

    CSP Evaluator is a tool that allows developers to check if a Content Security Policy (CSP) serves as mitigation against XSS attacks. This is a Firefox port of the Chrome extension

    Hacks and Hops

    303 users

  • Table Extractor - TableConvert

    Table Extractor - TableConvert

    Instantly convert tables on any webpage to multiple formats

    Fechin

    303 users

  • Xdebug Starter

    Xdebug Starter

    A Firefox extension that allows you to start the debugging session with one click. Works with XHR and normal full requests. You can start debugging, tracing, profiling and change the idekey. Built using the new WebExtensions API.

    raicem

    301 users

  • Page Load Timer

    Page Load Timer

    Displays page load time in the toolbar

    Sanjay Kumar | SelectorsHub Founder

    301 users

  • CSS Spider

    CSS Spider

    The fastest and easiest way to check, copy and edit CSS

    Mohith G

    301 users

  • Clickin

    Clickin

    https://youtu.be/pUEkz9HSty8 -- usage instruction. The most simple to use autoclicker... Literally, I made this because I couldn't find a good one :D

    B-aublys

    301 users

  • HTTP Header Spy

    HTTP Header Spy

    HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

    Michiel Roos

    300 users

  • Captcha Solver Recognition

    Captcha Solver Recognition

    2Captcha plugin allows you to automatically solve CAPTCHAs found on any webpage.

    Maximilian

    299 users

  • Cryptext

    Cryptext

    Encrypts and decrypts text using various encoding methods.

    cscarpa

    299 users

  • Ghost Inspector - Web Test Recorder

    Ghost Inspector - Web Test Recorder

    Ghost Inspector is an automated browser testing service. Our add-on allows you to record yourself performing actions on your website within your browser, then sync them to the Ghost Inspector service and run them continuously as a regression test.

    Ghost Inspector

    299 users

  • ChatGPT Export - Markdown & HTML

    ChatGPT Export - Markdown & HTML

    Télécharge le fil de discussion actuel de votre conversation avec ChatGPT au format Markdown ou HTML. -> Solution parfaite pour sauvegarder pour Chat hors ligne

    Grégory Ambroise

    298 users

  • The Tab Suspender

    The Tab Suspender

    Suspends inactive tabs after a set time by replacing them with a custom suspended page.

    Faisal Bhuiyan

    297 users

  • Codeforces Rating-Based Heatmap

    Codeforces Rating-Based Heatmap

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

    Gopikrishna

    296 users

  • Keeper Wallet

    Keeper Wallet

    Your entry point to the Waves blockchain and Waves-powered web services

    Waves Technologies

    295 users

  • GiteeTree

    GiteeTree

    基于 Octotree 的[码云](https://gitee.com)文件树插件

    Gitee

    294 users

  • Open Two-Factor Authenticator

    Open Two-Factor Authenticator

    A sync-able open-source two-factor authenticator

    InBasic

    293 users

  • Sheets Row Highlighter

    Sheets Row Highlighter

    Highlight a row (and column) of current cell in Google Sheets and Microsoft Excel Online.

    matsu7089

    292 users

  • ChatGPT Sidebar

    ChatGPT Sidebar

    Open ChatGPT in the sidebar

    EcksDy

    292 users

  • Toggle View Source

    Toggle View Source

    Toggle 'view-source:' on the current URL to view or revert the page source code.

    Salvatore Noschese

    291 users

  • URLRedirector

    URLRedirector

    Automatically redirect specificed urls to new pages.

    Yingcai FENG

    289 users

  • SAML to AWS STS Keys

    SAML to AWS STS Keys

    Generates file with AWS STS Keys after logging in to AWS webconsole using SSO (SAML 2.0). It leverages 'assumeRoleWithSAML' API.

    GB

    289 users

  • Font Size Decrease

    Font Size Decrease

    Increase the font size on the current page with a single click.

    Stefan vd

    289 users

  • PageRank Replacement by LinkResearchTools

    PageRank Replacement by LinkResearchTools

    The LRT Power*Trust metric helps you evaluate the quality and trustworthiness of a domain or page you are currently visiting.

    LinkResearchTools GmbH

    289 users

  • Copy as Python Requests

    Copy as Python Requests

    Copy requests from the devtools network panel as Python requests code for fast traffic mimicing.

    Peace-Maker

    287 users

  • Trello Card Counter

    Trello Card Counter

    This extension allows you to always display the number of cards in each lists on a Trello board. It uses native trello features, with no additional javascript to guarantee fast execution.

    Arnaud LEMERCIER

    287 users