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Using Password Generator for printed materials

How to size and format a password so it actually scans / works when printed. Browser-based, free, no signup, runs entirely on your device.

Generating a password sounds like it should require an app — and historically it did. Password Generator runs the same thing in your browser tab, with one tap and no signup.

Open the tool: Password Generator — Runs entirely on your device using open web standards.

Password Generator for printed materials

Print is where password generation gets specific. The password needs to scan reliably from a few inches away, under uncontrolled lighting, possibly slightly crumpled or smudged.

Sizing rules

  • Minimum size for scanning at arm's length: 2 cm × 2 cm (about 0.8 inches).
  • For posters meant to be scanned from across a room: at least 10 cm × 10 cm, scaled up linearly with distance.
  • Always include the quiet zone — the empty border. Without it, scanners struggle.

Print-specific tips

Generate at the largest size you'll need, then scale down in the layout — never up. PNG with high error-correction is the safest format for press output. Test with a real phone before you commit to the print run.

Open the tool

Password Generator →

Browser-only. Nothing is sent to a server.

Frequently asked questions

Does Password Generator store my generated password?

No. Password Generator generates everything in your browser; nothing is uploaded, saved, or sent.

Is Password Generator truly free?

Yes. No signup, no daily cap, no watermark. The site is supported by ads, not subscriptions.

Can I generate passwords in bulk?

Yes — drop a list of inputs and Password Generator runs them all in sequence, packaged into a ZIP for download.

Can I customize the password's appearance?

Yes — size, color, error-correction, margin, and optional logo overlay are all supported.

Related guides


Ready to try it?

Try it now: Password Generator. Everything happens locally in your browser — your file never leaves your device.


Last reviewed May 2026. File-size limits, portal requirements, and software defaults change over time — always verify with the destination platform before uploading time-sensitive documents. References to third-party services and products are for descriptive purposes only and do not imply any partnership or endorsement.