Browser privacy and diagnostics
See what your browser reveals before websites do.
BrowserDNA gives developers, site owners, and privacy-aware users a clean workspace for browser fingerprint checks, user agent parsing, viewport testing, storage checks, permissions, client hints, and compatibility diagnostics.
Run raw checks locally, then ask the AI report to explain what the signals mean.
Online Browser Tools
All toolsUser Agent Parser
Parse your current or pasted user agent string into browser, operating system, device, and engine hints.
DiagnosticsViewport and Screen Checker
Measure viewport size, screen size, pixel ratio, orientation, color depth, and common responsive breakpoints.
PrivacyCookie and Storage Tester
Test whether cookies, localStorage, sessionStorage, IndexedDB, Cache API, and storage estimates are available.
Browser Fingerprint Checker
Inspect the browser, screen, device, graphics, and privacy signals that can make a visitor recognizable.
AI Privacy Report
Run the browser tool, then analyze the results with AI.
Run the tool to see browser diagnostics.