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Signal Library

Browse the 100+ browser signals Device Identification collects. Each signal is documented with its cross-session stability rating.

8 categories100+ signals

Canvas & Rendering

12 signalsVery Stable

Canvas 2D fingerprint

Stable

Canvas text rendering

Stable

Canvas gradient rendering

Stable

Canvas emoji rendering

Stable

Canvas winding rule

Stable

Canvas line cap rendering

Stable

WebGL & GPU

18 signalsVery Stable

WebGL renderer

Stable

WebGL vendor

Stable

WebGL extensions

Stable

WebGL shader precision

Stable

WebGL max texture size

Stable

WebGL unmasked renderer

Stable

Audio Processing

8 signalsStable

AudioContext fingerprint

Stable

Oscillator node output

Stable

Convolver response

Stable

Audio sample rate

Stable

Audio channel count

Stable

Dynamic compressor output

Variable

Font Detection

14 signalsStable

System font list

Variable

Font rendering metrics

Stable

Font smoothing method

Stable

Font fallback chain

Stable

Monospace width probe

Stable

CJK font detection

Stable

Navigator & Browser

24 signalsVariable

User agent string

Variable

Platform

Stable

Language stack

Stable

Hardware concurrency

Stable

Device memory

Stable

Max touch points

Stable

Screen & Display

10 signalsStable

Screen resolution

Stable

Color depth

Stable

Device pixel ratio

Stable

Available screen area

Variable

Screen orientation

Variable

HDR support

Stable

Network & Connection

8 signalsVariable

Connection type

Variable

Downlink estimate

Variable

RTT estimate

Variable

Timezone offset

Stable

WebRTC local IP

Variable

STUN/TURN response

Variable

Security & Privacy

6 signalsStable

Do Not Track

Stable

Cookie enabled

Stable

Ad blocker detected

Stable

Private browsing mode

Variable

Content blocker rules

Stable

Permission API state

Variable

See These Signals in Action

Try our live demo to see which signals your browser exposes and how Device Identification computes your device fingerprint.