Browser fingerprint lab
Fonts
By measuring a line of text in different fonts we learn which fonts are installed. About 150 candidates, including CJK families.
Running…
Result
Details
- Font count
- Candidates
- Fonts hash
- document.fonts API
What this means
The font list reveals the operating system, locale and even installed software (Office, Adobe and developer tools all ship fonts). Chinese-language systems differ a lot from English ones. The more fonts you have installed, and the rarer they are, the more this attribute singles you out.