Detect Font Fingerprint

See which installed fonts can identify your browser.

Privacy ToolsBrowser form · check network and permission needsNo account · No API key

Try a small sample

This form normally uses the browser engine; a server fallback is available if the local implementation is unavailable. Network lookups and device APIs may need a connection or permission. See privacy details.

Limit to common system fonts for faster detection.

Call it from an agent

This server endpoint accepts JSON and returns JSON. Calling it sends your input to the server, including for tools whose web form normally runs locally. No key or signup is required.

curl -sX POST 'https://itsfullyonline.yunusemrevurgun.com/backend/connector-api.php?action=execute' \
  -H 'Content-Type: application/json' \
  -d '{"tool":"detect-font-fingerprint","data":{ /* see input fields above */ }}'

Input schema

Parameters accepted by this tool:

[
    {
        "type": "checkbox",
        "name": "test_common_only",
        "label": "Test Only Common Fonts",
        "default": false,
        "hint": "Limit to common system fonts for faster detection."
    }
]

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