Email QR Code

The code opens the mail app with the address, subject, and body filled in. The reader just adds their own words and hits send.

Colors

Logo in the center

Design

Frame with caption

Fine tuning

The empty margin around the code is how a scanner finds its edge. Without it, neighboring text or background gets in the frame and the code stops scanning. The standard requires four modules, that is four code cells.

Damage allowance: the code still scans even if part of it is worn, covered by a sticker or smudged. The higher the level, the more space the allowance takes, so with the same data the code grows in modules and each module gets smaller. If a logo is loaded, we set H ourselves: the logo covers part of the code.

The tool is free, with no sign-up and no watermarks. Use the image anywhere, including print and advertising.

Subject and body come pre-filled

This works well for emails that follow the same pattern every time: a request for a site visit, an invoice inquiry, a job application. The subject line arrives already written, which makes sorting your inbox easier.

Russian text is encoded twice

The subject and body are written in address encoding, so a Russian phrase is noticeably longer than a Latin one. The code grows in modules and becomes harder to scan from a distance.

Keep the subject short: one phrase is enough for the email to land in the right folder.

What the person sees

Their email program opens with the fields already filled in, but the message does not send itself. This protects against accidental sending, and no code can bypass it.

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