neoprintAdvanced Browser Fingerprinting

Open-source, modular, privacy-aware. 22 signals, 4 ID strategies, cross-browser identification, fingerprint intelligence, lifecycle tracking. Zero dependencies.

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4 ID Strategies

Full hash, stable (survives browser updates), weighted (fewer collisions), and cross-browser (same ID on Chrome/Firefox/Safari/Edge).

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Anti-Detect Heuristics

Checks for Multilogin, GoLogin, Dolphin Anty, Linken Sphere, Incogniton, VMLogin, and AdsPower signatures via prototype tampering and inconsistency analysis.

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Fingerprint Lifecycle

Track drift over time, auto-link old and new fingerprints, predict next changes, and calculate decay rates.

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Heuristic Bot Signals

30+ heuristic checks for Puppeteer, Playwright, Selenium, headless Chrome, and other automation indicators.

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Behavioral Biometrics

Profile typing rhythm, mouse movement patterns, scroll behavior, and touch characteristics.

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Privacy-Aware

GDPR-friendly privacy mode, incognito-resistant mode, protocol-aware collection. You control what gets collected.