Can I use
Can I use
Browser Compatibility Made Simple

Check browser support instantly

Browser compatibility lookup powered by caniuse.com. Search CSS, HTML, and JavaScript features directly from your browser toolbar.

Can I use

Browser compatibility lookup powered by caniuse.com

e.g. flexbox, WebP, CSS Grid

Recent Searches

WebP image format

Latest Features

CSS if() function
View Transitions (cross-document)
Wasm Import/Export Mutable Globals
Wasm Multi-Value

Most Searched Features

  1. 1.WebP image format
  2. 2.Flexbox
  3. 3.CSS Grid
  4. 4.gap (Flexbox)
  5. 5.dvh viewport units

Everything you need to check compatibility

Fast, reliable, and always up-to-date with the latest browser support data

Instant Search

Search thousands of CSS, HTML, and JavaScript features in milliseconds. No page loads required.

Recent History

Keep track of your recent searches for quick access to frequently checked features.

Latest Features

Stay updated with the newest web platform features and their browser support status.

Smart Suggestions

Get intelligent search suggestions based on popular queries and trending features.

Always Accurate

Powered by caniuse.com, the most trusted source for browser compatibility data.

Lightweight

Minimal footprint with zero impact on browser performance. Fast and efficient.

Simple to use, powerful results

Get browser compatibility information in three easy steps

1

Click the extension icon

Access the extension from your browser toolbar anytime you need to check compatibility.

2

Search for any feature

Type in CSS properties, HTML elements, JavaScript APIs, or any web platform feature you want to check.

3

View detailed support data

Get comprehensive browser support information including version numbers, usage statistics, and known issues.

Start checking compatibility today

Join thousands of developers who trust Can I use for their browser compatibility needs.

Free forever • No account required • Privacy focused