Passwork Auto Logon
Use your Passwork accounts to auto signin on web sites in one click.
226 users
Virtual Hosts
Apply virtual hosts and overwrite the Hosts header for development purposes.
225 users
Switch Direction
Switch Direction in edits, useful for mixed RTL and LTR texts editing.
224 users
WeCompress File Compressor
Compress PDF, PPT, Word, Excel, PNG & JPEG files free online. No file limits, no registration & no watermarks; just smaller, easy to share, high-quality files.
224 users
NumÉcoDiag
NumEcoDiag vous permet d’évaluer facilement l’écoconception de votre service ou produit numérique. Développé par la MiNumEco, il se base sur les 79 critères du Référentiel Général d’Écoconception de Services Numériques (RGESN).
223 users
URL Increment Button
A 1-Click URL Increment Button for your toolbar. Works with or without URL Incrementer.
222 users
Extension Manager
Quickly and Easy enable, disable, uninstall, custom group or nickname, star or top and export CSV extensions for Mozilla addons.
221 users
User-Agent Switcher and Simulator
Switch browser UserAgent to simulate different devices and browsers
221 users
Adobe Target VEC Helper
Load your website's desktop and mobile views effortlessly in Adobe Target with the VEC helper extension
221 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.
220 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 :) .
220 users
MDN Search
To use, type 'mdn' plus your search term into the url bar. Works for JavaScript and CSS reference articles.
218 users
Viewport
Displays the current viewport size when resizing the browser window.
218 users
Angular state inspector
Helps you to debug Angular component state. Supports Angular 1/2+/Ivy/hybrid!
217 users
NetSuite Toolbox
Several tools to work better with netsuite. For more informations: https://github.com/vinikira/netsuite-toolbox/blob/master/README.md
217 users
Pesticide for Firefox
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page. Copyright (c) 2014 Paul Molluzzo picked up by Samuel Corsi-House in 2020.
215 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.
214 users
Simple JavaScript Injector
This addon creates a small popup that lets you paste some JS code and inject it into the page you are currently seeing.
213 users
Easy QR
Easy QR code, the best QR extension. Generate offline QR Code with a simple click!
213 users
VPN Master - Free HTTP and SOCKS Proxies
A free reliable VPN solution based on HTTP, SOCKS4, and SOCKS5 proxy servers
213 users
EXIFdata Viewer
EXIFdata Viewer is a powerful browser extension that allows you to view and analyze the metadata of images, including EXIF, IPTC, and XMP data. With this extension, you can uncover the hidden details of your images.
212 users
Code Web Chat Connector
Connect your editor with free chatbots. Include websites in context.
212 users
OptiSearch
Display ChatGPT, StackOverflow, Wikipedia, etc. answers alongside Google Search results !
211 users
SEO Website Scanner: Meta, Headings, etc.
Scans a page for basic SEO meta information and headings.
211 users
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
210 users