os
Operating system of the generated fingerprint.
Use it for: Matching the persona to who a site expects (a Windows desktop for most consumer sites, macOS for design or creative tools), and keeping one account on the same OS every time.
Browsers: Camoufox.
Details
- Type:
"windows" | "macos" | "linux" | array - Default: random among windows / macos / linux
- Example:
{"os":"windows"}
The OS the spoofed fingerprint claims to run on. A list picks one at random per session.
Required when webgl_config is set. Any other value returns 400.
Used in
- Case 52: Installed fonts as a fingerprint: what a width probe sees on each Camoufox persona
- Case 49: The same Camoufox device across relaunches: what a persistent profile keeps, and what it doesn't
- Case 16: What headless gives away, what headful fixes, and what neither does
- Case 15: Three countries, one script — and reading values the way the site does
- Case 4: A German Windows persona with Camoufox — and the one setting that broke it
- Camoufox with a Windows fingerprint
- Camoufox: pinned version, macOS persona, no images
- Camoufox with a fixed screen and window
- Camoufox as a Windows laptop with Intel graphics
- Camoufox with exact fingerprint values
- Camoufox reporting an older Firefox
- Camoufox with a macOS font list
- Camoufox that keeps the same device and login
- cdpfleet residential from Windows devices, with a matching persona
All options: launch options.