少留一点指纹。
Local-first browser fingerprint protection for Chromium.
QuietMask reduces the precision and cross-site linkability of browser fingerprint signals
with coherent profiles, deterministic per-site isolation, and zero telemetry.
View the controls and whitelist panel
| Coherent profiles | Per-site isolation | Local and auditable |
|---|---|---|
| Language, time zone, hardware and related values stay stable and internally consistent. | Selected high-entropy outputs use deterministic site-specific noise to reduce cross-site correlation. | Protection runs inside the browser. No telemetry, analytics, remote code, ads, or browsing-data upload. |
QuietMask can normalize or coarsen language, time zone, CPU threads, device memory, platform identifiers, User-Agent Client Hints, Canvas, WebGL, WebGPU, Audio, screen characteristics, font probing and media-device identifiers. It also provides optional WebRTC leak protection, GPC/DNT signals, three protection modes, a custom site whitelist, and built-in diagnostics.
| Mode | Intended use | Protection level |
|---|---|---|
| Compatibility | Payments, conferencing and hardware-dependent web apps | Core identity normalization with fewer compatibility changes |
| Balanced | Everyday browsing — recommended | Adds UA-CH reduction, site-specific Canvas protection and WebGL coarsening |
| Strict | Unfamiliar or tracking-heavy websites | Adds Audio, display, font, media-device, WebGPU and WebGL readback restrictions |
QuietMask currently ships as an unpacked extension for Chromium-based browsers.
- Download the repository as a ZIP and extract it.
- Open
chrome://extensions/. - Enable Developer mode.
- Select Load unpacked and choose the extracted QuietMask directory.
- Open the extension, select a mode, then choose Save and refresh.
Minimum supported Chrome version: 120.
QuietMask is designed to reduce passive browser fingerprint exposure. It does not hide your public IP address, replace a VPN or Tor Browser, clear cookies or login state, bypass regional restrictions, unblock accounts, or guarantee anonymity. Websites may still detect modified JavaScript APIs or correlate users through network, account, behavioral and server-side signals.
For the complete feature list, permission rationale, threat model and limitations, read the English documentation or 简体中文文档.
- No browsing data collection or remote storage.
- No network requests initiated by QuietMask itself.
- No remote JavaScript or dynamically downloaded executable code.
- Source code available for inspection under the MIT License.
QuietMask is an experimental privacy project for protection, research and education. Compatibility reports and reproducible security findings are welcome.