Browser information
Inspect browser-reported information locally. Reduced or spoofed values are approximate, not a verified device identity.
A quick human check
Verify before selecting files. A verified session lasts up to 30 minutes. File processing stays in your browser.
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What is reported
User-agent and legacy platform strings, exposed low-entropy client hints, languages, viewport and reported screen size, plus selected API availability. API presence does not prove permissions or successful processing. The viewport updates after resize while a report is open.
Privacy and control
No high-entropy hint requests, device/font enumeration, persistent fingerprint or diagnostic upload. Screen values are browser-reported CSS values, not verified physical measurements.
Cancel clears incomplete output. Reset releases local download links and clears displayed data. Code and public dataset caches are controlled by the browser.
File privacy · Data and software licenses