Offline Caching
Enable offline caching on any web site or app, allowing for usage even without Internet access.
363 users
Ruto - XPath Finder
Rūto brings the best XPath to you. We are striving hard to improve better performance and more new features
361 users
MobX Developer Tools
Dev-tools for MobX and React. Use this extension to debug pages containing MobX 3.1.15 or higher (https://mobx.js.org/) For more information, please refer to https://github.com/andykog/mobx-devtools/blob/master/README.md
360 users
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
356 users
Vulners Web Scanner
Tiny vulnerability scanner based on vulners.com vulnerability database. Scan websites while you surf internet!
355 users
YT Nonstop
No more 'Video paused. Continue watching?' confirmation box! And with two extra options: 1) disable autoplay; 2) loop playlist.
353 users
JSON Editor
A JSON Editor Extension based on the amazing JSON Editor Online https://github.com/josdejong/svelte-jsoneditor Source code: https://github.com/fractalf/json-editor-ex
348 users
Allow Copy& Right Click
Allow Right click, Allow copy, Selection on web sites that prevent it
348 users
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
347 users
Meta tags inspector
Adds a new panel to the developer tools. This panel shows a clear overview of all metatags
344 users
Twitch Text Emotes - temotes
Save your favorite text phrases ("LULW", "KEKW", emoticons, etc.) directly into the standard Twitch Emotes panel and use them in Twitch chat. Simple and useful.
343 users
LoadTabOnSelect
Load newly-opened background tabs on selection, rather than automatically in the background. This addon uses the WebExtensions API, and therefore fully supports Firefox 57+.
341 users
FlexHeaders - Modify HTTP Headers
A lightweight yet powerful extension to modify HTTP headers on the fly. Unleash the power of FlexHeaders, the ultimate extension for developers and security-conscious users
338 users
Sheets Row Highlighter
Highlight a row (and column) of current cell in Google Sheets and Microsoft Excel Online.
337 users
Measure Element
Shows width, height, or alignment of selected area at anywhere on webpage in pixels.
336 users
Atom File Icons Web
Changes GitHub and BitBucket file icons according to their extension or framework
333 users
![[STG plugin] Open Manage groups](https://addons.mozilla.org/user-media/addon_icons/986/986719-64.png?modified=1856603d){kind=icon}
