uioption - Compare Design Variants Without Reloading

Flip through UI variants instantly while coding with AI

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Updated Jul 2026 · Added Jul 2026

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What is Uioption?

uioption is a Chrome extension that lets developers compare multiple UI design variants live in the browser without reloading or editing code. Built for AI-assisted coding workflows, it automatically injects a floating picker to cycle through design options wrapped in data attributes, and includes an inspector to identify components and generate copyable CSS selectors. It works only on localhost and local files, collecting no data.

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Key Features of Uioption

UI Picker for comparing design variants
Arrow key navigation between variants
Compact bar or card grid layouts
UI Inspector with component detection
React, Vue, Angular, Svelte component support
One-click CSS selector copying
Auto-inject on localhost pages
Private by design - localhost only
No data collection or network requests

Who Should Use Uioption?

Compare multiple UI design options during AI-assisted coding

Inspect and identify React/Vue/Angular/Svelte components

Generate copyable CSS selectors for chatting with AI assistants

Streamline feedback loops with AI coding assistants

Test design variants without code editing

Uioption: Pros & Cons

✓Pros

No reload needed to switch between design variants
Works seamlessly with any AI coding assistant
Automatic component detection for modern frameworks
One-click clipboard copy for developer feedback
Private - only runs on localhost, zero data collection
Simple markup convention for wrapping variants

Frequently Asked Questions about Uioption

How do I use uioption with my AI coding assistant?

Wrap competing design options in data attributes using the ready-to-copy prompt provided in the popup. Ask your AI assistant to generate 3-4 variants at once, and uioption will display a floating picker to cycle through them.

Which frameworks does uioption support?

uioption detects React, Vue, Angular, and Svelte components and displays component names and source file locations. It falls back to smart CSS selectors for plain HTML.

Does uioption collect my data?

No. uioption only runs on localhost, 127.0.0.1, and local files. It never touches production websites, collects no data, and makes no network requests.

Can I use uioption without an AI coding assistant?

Yes, uioption works as a standalone inspector tool for comparing UI variants and identifying components on your local development pages.