all-in-one
Facility for providing suite of tools for handling web components e.g. standard formats HTML, RSS, M3U8, and more.
243 users
SnapOSINT
A snappy OSINT (open-source intelligence) searching tool that turns your search bar into a dedicated OSINT engine. This add-on is designed to save you time during your osint investigation.
243 users
Alexa RANK
Alexa Traffic Rank is Alexa Internet's free extension for Mozilla. Alexa Traffic Rank accompanies you as you surf, providing you with Alexa.com data about the sites you visit without interrupting your browsing.
242 users
Twitter Video Downloader MP3 MP4
New Firefox Extension Twitter Video Downloader MP3 MP4 let you easy download any content from Twitter in few steps. Get any Video from Twitter and Download it in MP3, MP4, M4A and other best quality formats. Download video from Twitter TT with FF.
242 users
HTML5 Universal Speed Hack
Speed up or slow down HTML5 and Unity games directly in the browser. Control functions like setTimeout, setInterval, Date.now, and more to precisely adjust game speed.
240 users
User-Agent Switcher and Simulator
Switch browser UserAgent to simulate different devices and browsers
237 users
HackBar For Quantum
HackBar Quantum is a sidebar that helps you with web application security testing. This add-on is a predecessor to the original HackBar that is not compatible with Firefox Quantum. This is still in beta phase, lots of things are yet to come :) .
237 users
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.
236 users
Rentgen
Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint.
236 users
New Hackbar
A sitebar that helps pentesters to perform manual web security testing inside their browser. This addon is written in webextension and alternatives to the XUL version of original Hackbar.
235 users
JavaScript Switch
This plugin provides a button which behaves like that, set `javascript.enabled`=`false` or `true` at `about:config` page..
235 users
SEO Website Scanner: Meta, Headings, etc.
Scans a page for basic SEO meta information and headings.
233 users
URL Increment Button
A 1-Click URL Increment Button for your toolbar. Works with or without URL Incrementer.
233 users
Extension Manager
Quickly and Easy enable, disable, uninstall, custom group or nickname, star or top and export CSV extensions for Mozilla addons.
232 users
Eval Villain
Hook native JavaScript functions before page load to see how a website uses them. Narrow down output based on the appearance of URL and session artifacts, user configured strings/regex, blacklists and more.
231 users
MDN Search
To use, type 'mdn' plus your search term into the url bar. Works for JavaScript and CSS reference articles.
231 users
