Browser & privacy
See the signals your browser shares, and what makes them change.
Tools by subcategory
12 focused tools, with an explanation and a practical guide for each check.
Browser fingerprinting
Inspect browser identity signals, canvas rendering, graphics and offline audio.
Browser fingerprint
Read your browser’s exposed signals. Compare sessions with an exportable fingerprint report.
Local analysisBrowserCanvas fingerprint
Render a controlled canvas, hash the pixels and compare repeatability across two runs.
Local analysisBrowserWebGL inspector
Inspect the GPU renderer, extensions and graphics limits visible to a website.
Local analysisBrowserAudio fingerprint
Process a silent offline audio graph and compare its numerical output across repeated runs.
Local analysisPrivacy & permissions
Review exposed privacy preferences, site permission states and WebRTC connection candidates.
Browser permissions audit
Read site permission states, privacy signals and relevant browser capabilities.
Local analysisBrowserPrivacy & display preferences
Read exposed privacy preferences, reduced motion, contrast, forced colors and the preferred color scheme.
Local analysisBrowserWebRTC exposure test
Inspect ICE candidates and check whether WebRTC exposes an unexpected connection address.
STUN requestDevice & browser capabilities
Read screen, storage, media, language and browser feature information.
Screen & viewport inspector
Measure screen size, layout and visual viewports, pixel ratio and orientation in this tab.
Local analysisBrowserBrowser capability checker
Check whether common browser APIs are exposed, including Web Crypto, WebAssembly, WebGPU and workers.
Local analysisBrowserOrigin storage inspector
Read this origin’s storage estimate, quota and persistence status without opening stored records.
Local analysisBrowserMedia codec support checker
Inspect advertised support for common video and audio formats without recording or playing media.
Local analysisBrowserLanguage & timezone inspector
Inspect browser languages, timezone, calendar and number-format settings with local formatting examples.
Local analysis