Ui Design

CSS Pro

Browser extension that lets you visually edit CSS on any website and generates clean code instantly.

csspro.com

Verified API available ~1.4k monthly visits

Quick facts
What is it	Browser extension that lets you visually edit CSS on any website and generates clean code instantly.
Pricing	Paid
Free tier	No
Platform	Chrome Extension
API	Yes
Best for	Prototyping design changes on live websites, Debugging and understanding CSS on existing sites
Domain registered	2016

Data updated Aug. 1, 2026

What does CSS Pro do?

CSS Pro is a browser extension that turns any webpage into a design playground. You install it once, and then you can click on any element on any site to modify its appearance in real-time. Change colors, fonts, spacing, backgrounds, and layouts with visual controls, and the tool automatically generates the corresponding CSS code for you. It works without requiring any setup or changes to the original website's code, making it a versatile tool for quick prototyping and experimentation.

The tool stands out by showing you only the CSS rules that are actually applied to an element, cutting through the clutter of complex stylesheets. It includes a comprehensive background editor, a font library with over 2,000 typefaces, and tools for adding new elements or moving existing ones around the page. A built-in AI assistant, powered by models like Claude Opus and GPT-4, can help you write or fix CSS when you're stuck. You can also measure distances with a ruler, pick colors with an eyedropper, and export all your changes to share with others or apply to your codebase.

CSS Pro is ideal for web designers, front-end developers, and marketing agencies. Designers can quickly test different visual concepts directly on a live site. Developers can use it to debug styling issues or prototype changes before writing a single line of code. Agencies find it valuable for presenting design options to clients during meetings, as they can make live edits and share a link showing the proposed changes with a before/after toggle.

Design Feedback Ui Design

#ai assistant#browser extension#css-editor#developer tools#frontend#prototyping#visual editing#web design

Key features

What makes it stand out

Visual CSS editing on any live website without setup

Real-time preview of changes as you adjust values

AI assistant for writing and fixing CSS code

Export and share edits via link with before/after view

Integrated tools like color picker, ruler, and font library

Who is CSS Pro for?

Who benefits most from this tool

Prototyping design changes on live websites

Debugging and understanding CSS on existing sites

Creating and sharing visual design concepts with clients

Pricing

Pro

$10.0/month billed yearly

License for 1 activation
Edit unlimited websites
Chrome, Firefox, and Safari

Pro MAX

$15.0/month billed yearly

License for 3 activations
Edit unlimited websites
Chrome, Firefox, and Safari
100 AI requests/month
Share changes via link
Priority Support

Lifetime Pro MAX

Custom

License for 3 activations
Edit unlimited websites
Chrome, Firefox, and Safari
100 AI requests/month
Share changes via link
Priority Support
Pay only once

Trust & presence

Domain Domain registered 2016

Gallery

Click any image to enlarge

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