Free online browser tools
BrowserDNA Tools
Run practical browser privacy, fingerprinting, compatibility, storage, network, permissions, and diagnostics checks from one clean tool directory.
Privacy
Browser Fingerprint Checker
Inspect the browser, screen, device, graphics, and privacy signals that can make a visitor recognizable.
PrivacyCookie and Storage Tester
Test whether cookies, localStorage, sessionStorage, IndexedDB, Cache API, and storage estimates are available.
PrivacyBrowser Permissions Checker
Check visible permission states for geolocation, camera, microphone, notifications, clipboard, and related browser APIs.
PrivacyMedia Device Detector
Check camera, microphone, speaker, media device enumeration, and capture API support exposed by the browser.
Diagnostics
User 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.
DiagnosticsNetwork Information Checker
Inspect online status, effective connection type, estimated downlink, round-trip time, and data-saver hints when available.
DiagnosticsClient Hints Inspector
Inspect available User-Agent Client Hints such as brands, platform, mobile state, architecture, model, and full version data.