WhatFontaddons.mozilla.org
Identify fonts on web pages
Firefox Extensions
24 resources
This category collects Firefox add-ons for front-end work, many of them Firefox versions of popular Chrome extensions. It covers WhatFont for identifying fonts, Wappalyzer and WhatRuns for detecting technology stacks, ColorZilla and Site Palette for colors, VisBug for visual editing, React Developer Tools, and the classic Web Developer toolbar.
WhatRunsaddons.mozilla.org
Discover technologies used on websites
Web Developeraddons.mozilla.org
Toolbar for web development tasks
Awesome Screenshot & Screen Recorderaddons.mozilla.org
Capture and annotate screenshots
daily.dev - News for Busy Developersaddons.mozilla.org
Developer news and resources
JSONViewaddons.mozilla.org
Format and syntax highlight JSON
Window Resizeraddons.mozilla.org
Resize browser window to predefined dimensions
Responsive Vieweraddons.mozilla.org
Test responsive design of websites
BrowserStackaddons.mozilla.org
Instantly preview websites on different devices
VisBugaddons.mozilla.org
Web design debugging tool
Kontrast - WCAG Contrast Checkeraddons.mozilla.org
Check contrast levels for accessibility
PerfectPixeladdons.mozilla.org
Overlay an image over a web page to compare
Pesticideaddons.mozilla.org
Outline elements on web page for easy visualization
Site Paletteaddons.mozilla.org
Extract color palette from website
ColorZillaaddons.mozilla.org
Advanced color picker and eyedropper
Lorem Ipsum Generator (Default Text)addons.mozilla.org
Generate lorem ipsum text
JavaScript and CSS Code Beautifieraddons.mozilla.org
Beautify and minify JavaScript and CSS code
Imageye - Image downloaderaddons.mozilla.org
Download images from web pages
Fireshot - Full Page Screen Captureaddons.mozilla.org
Capture full web pages
Stylebotaddons.mozilla.org
Customize the appearance of web pages
ColorPick Eyedropperaddons.mozilla.org
Simple color picker and eyedropper
React Developer Tooladdons.mozilla.org
Inspect React component hierarchy
Wappalyzeraddons.mozilla.org
Identify technologies used on websites
Fake Filleraddons.mozilla.org
Fill out web forms with dummy data