WebRTC Leak
Local candidates—
Public candidates—
mDNS in use—
—
Browser Privacy Check
Phase: Idle
User-Agent & Hints
User-Agent—
Hints—
—
Timezone
IANA Zone—
Offset—
—
DNT & GPC
Do Not Track—
Global Privacy Control—
—
Canvas Fingerprint
Hash—
—
WebGL Fingerprint
Renderer—
Hash—
—
Audio Fingerprint
Hash—
—
Ad/Tracker Reachability
Blocked0 of 0
Examples—
—
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About the Browser Privacy Check
This test looks for common privacy signals and fingerprinting surfaces: WebRTC leaks, User-Agent & Client Hints, timezone, Do Not Track and Global Privacy Control, plus Canvas/WebGL/Audio fingerprints and basic tracker reachability. Use it to understand how identifiable your browser is and which quick fixes will improve privacy.
Quick tips
- Keep WebRTC mDNS enabled or use a WebRTC-blocking extension to avoid IP exposure.
- Enable Global Privacy Control (GPC) via your browser or a privacy extension.
- Use a reputable content blocker (e.g., uBlock Origin) and strict tracking protection.
- Prefer browsers with anti-fingerprinting / reduced Client Hints; consider Firefox/Brave containers.
Browser Privacy – FAQ
What is a WebRTC leak?
WebRTC can reveal local or public IP candidates outside your VPN. With mDNS on, local IPs are replaced by hostnames,
which prevents easy correlation.
What are Client Hints?
Client Hints expose brand/device/platform info. Minimizing them reduces passive fingerprinting surface.
What is Global Privacy Control (GPC)?
GPC is a signal asking sites not to sell or share your data. Some regions require honoring it; enabling GPC is a quick win.
Why do Canvas/WebGL/Audio hashes matter?
Stable, unique hashes make you easier to track. Randomized or masked values reduce uniqueness.
Why are some trackers still reachable?
Content blockers and DNS filters vary. Combine a blocker with strict tracking protection and, if possible, network-level filtering.