Need to format JSON from an API response? The Wivrix Device Info & Screen Size Detector is free, works in your browser, and takes seconds to use.
What this tool does
Instantly detect your device, screen size, browser and operating system. See width, height, device model, pixel ratio, orientation, viewport and every web feature your device supports. Runs 100% in your browser.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Open this page on the device you want to inspect — details are detected automatically on load.
- Click Refresh Details to re-measure after resizing a window or rotating a phone.
- Click Copy Full Report to get a plain-text summary you can paste into a bug report or support ticket.
- Use the Supported Features section to see which browser APIs and image formats your device supports.
Common uses
- Format json from an api response
- Decode a jwt during debugging
- Test a regular expression quickly
- Convert yaml config to json
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the Device Info & Screen Size Detector really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free Device Info & Screen Size Detector and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- User Agent Parser — see also our guide
- IP Address Info — see also our guide
- HTTP Headers Checker — see also our guide
Ready to try it? Open the free Device Info & Screen Size Detector — no sign-up needed.
Open Device Info & Screen Size Detector →