CSS Pro 4

CSS Pro is a visual CSS editor that allows users to instantly edit CSS visually on any website. It generates code and works as a browser extension, enabling rapid design iteration and real-time tweaking.

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At a glance

Pricing

Paid

Free tier

API

Skill level

Technical

About

What is CSS Pro 4?

CSS Pro is a powerful browser extension that functions as a universal visual CSS editor, allowing users to instantly edit CSS on any website without setup. It generates clean, first-class CSS code, making it ideal for designers and developers to experiment with design ideas in seconds. Key features include a visual editor that works on every website, real-time tweaking, and the ability to see only applied CSS. It offers advanced tools like a comprehensive background editor, a font finder with over 2,000 fonts, and an element mover for layout adjustments. CSS Pro also integrates AI assistance, powered by models like Claude Opus 4.5 and ChatGPT 5.2, to help fix CSS, answer questions, and even generate prompts for LLMs to update codebases. Users can easily share changes via links with before/after toggles and never lose their edits.

Best used for

Ideal for developers and graphic designers who need to rapidly prototype design changes, visually edit website CSS, and debug styling issues. Especially valuable for agencies and freelancers looking to accelerate client presentations and streamline their workflow with AI-powered assistance and real-time feedback.

Common actions

edit CSS visually

generate CSS code

prototype web designs

debug CSS issues

experiment with layouts

Safari ExtensionsDeveloper ToolsBrowser Extensions

Capabilities

Key features

Visual CSS editor
Real-time CSS tweaking
AI CSS assistance
Background editor
Font finder
Element mover
Shareable edit links

Target Audience

developergraphic designerux designer

Integrations

Not yet documented

Pricing & Plans

Paid

Not publicly disclosed. Check csspro.com for current pricing.

FAQs

Which browsers does CSS Pro support?

CSS Pro is available as a browser extension for Chrome, Firefox, and Safari. For Safari, macOS 10.13 or later is required. The extension will automatically update with new features and improvements.

Does CSS Pro offer a free version or trial?

While CSS Pro does not offer a free version for general use, you can try a demo on their homepage to experience its visual editing capabilities. They do not provide a free trial for use on other websites.

How does CSS Pro's AI assistance work?

CSS Pro's AI assistant, powered by models like Claude Opus 4.5 and ChatGPT 5.2, can edit CSS, fix errors, and answer questions. It has full DOM context to provide accurate help, and you can apply or undo its suggested changes. It can also generate prompts for LLMs to update your codebase.

Can I use CSS Pro on multiple devices?

Yes, each CSS Pro license allows for 3 simultaneous activations. You can manage and deactivate licenses from previous computers via the 'My license' page to activate on a new machine, ensuring flexibility across your workstations.

How can I share my CSS Pro edits with others?

CSS Pro allows you to easily share your CSS changes via a unique link. This link enables others to preview the updated website with a convenient Before/After toggle, making it simple for teams and clients to review and copy the generated CSS.

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Content & Design › UI/UX Design

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