Running on your device · 0 bytes uploaded
Browser tools
What this browser is, and what it can really do — read live from your own tab, with every limitation stated. Nothing uploaded.
- Browser report
Every identity field your browser volunteers — read live in this tab, caveats included.
- UA parser
Paste any user-agent string, see the browser, engine, OS, and device it claims.
- Capability dashboard
Which APIs this browser has — presence measured, permissions only queried, never asked.
- Feature support
A dated web-platform snapshot checked live — where this browser agrees, leads, or lags.
- Screen & viewport
Screen, DPR, layout and visual viewports, orientation, preferences — live, fingerprinting labeled.
- Deep probes
Fonts, codecs, WebGL/WebGPU, storage, permissions — the five probes that need real work.
6 tools · everything is computed locally, nothing leaves your device.