Device & Browser
Browse our free Device & Browser collection for developers. Every tool works in your browser with no installation required.
8 tools available
Internet Speed Test
Check download speed, latency, jitter, and upload availability from your browser
User Agent Parser
Parse any User-Agent string into browser, OS, device, and bot details
Fullscreen Background & Screen Test
Fill your screen with a color, gradient, image, monitor test pattern or gentle screensaver
Device & Browser Information
See what your browser exposes for support and debugging
Mouse Tester
Check mouse buttons, wheel, double clicks and CPS in your browser
Headphone Tester
Check left and right headphone channels with safe test tones
Webcam Tester
Check your camera, resolution, FPS and lighting in the browser
Keyboard Tester
Check every key on a physical keyboard in your browser
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About Device & Browser
Browse our free Device & Browser collection for developers. Every tool works in your browser with no installation required.All tools are free and require no installation or sign-up. Each page identifies whether processing is local, hybrid, or server-backed. Whether you're debugging, converting data formats, or generating code, these tools help you work faster and smarter.
Why Choose Our Tools?
- Privacy-First: Each tool states whether it runs locally, uses the network, or needs a server.
- Instant Results: Most tools process input directly in your browser.
- No Sign-Up: Start using any tool immediately, no registration required.
- Multilingual: Available in 10 supported languages for developers worldwide.
