Font Presence Check

Confirm the fonts a vendor app or a check printer needs are actually installed on this PC - office fonts like Arial and Calibri, plus check-printing fonts such as MICR E-13B and a 3-of-9 barcode font whose absence silently ruins a check batch. Detection runs in your browser with no prompts and nothing uploaded.

Read the Font Presence Check guide for how detection works, how to read the verdict, and how to get a missing font installed.

Privacy: Nothing is uploaded. The scan runs entirely in this browser tab by measuring text on a canvas and asking the browser's font APIs. No font file or system data leaves your machine. The optional "List installed fonts" button asks the browser for permission first and still sends nothing anywhere. View source to verify.

Run the scan

Detection: local, in this browser

The default scan uses Canvas text measurement and the browser's Font Loading API. No uploads, no tracking, and no permission prompt.

Status Check Step

Pending

Browser font-detection support

Checking Canvas text measurement and the font APIs.

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Pending

Common office fonts

Arial, Calibri, Times New Roman, Consolas, Segoe UI.

2 of 3

Pending

Check and label printing fonts

MICR E-13B and a 3-of-9 (Code 39) barcode font.

3 of 3