A barebones browser feature test page. Check what your browser supports.
Big Buck Bunny (local file)
Test audio playback (local file):
Web Audio API tone generator:
Checkboxes
Radio Buttons
Progress bar (animated):
Meter elements:
This is hidden content revealed by the details/summary element. Natively supported in modern browsers with no JavaScript.
More hidden content. Works without any JS at all.
| Feature | Element | Status |
|---|---|---|
| Video | <video> | – |
| Audio | <audio> | – |
| Canvas | <canvas> | – |
| Web Audio | AudioContext | – |
| localStorage | localStorage | – |
| WebGL | WebGLRenderingContext | – |
| Geolocation | navigator.geolocation | – |
| Service Worker | serviceWorker | – |
| WebSockets | WebSocket | – |
| Fetch API | fetch() | – |
Interact with this area to log events:
Browser info:
| Property | Value |
|---|---|
| User Agent | |
| Platform | |
| Language | |
| Cookie enabled | |
| Online | |
| Screen | |
| Device Pixel Ratio |
BrowserTest — no frameworks, no build tools, just HTML.