default logo embedded by design

Build a printable QR with a branded center.

The web UI now mirrors the CLI defaults: same destination URL baseline, same 4000px render, same built-in logo fallback, same output filename.

default URL preset 4000px export download: qr_code.png

Built-in logo preview

If you leave the upload empty, the generator uses genie.png. The preview switches instantly when you choose your own PNG.

embedded asset: genie.png scannable center overlay

The download starts immediately when generation succeeds. If something is invalid, the page keeps your current values and shows the error inline.

Generate QR

Keep the built-in logo or swap in a custom PNG for this run only.

Same renderer and size handling as the CLI.
Leave this empty to embed the default logo shown on the left.
Selected upload preview
Using default logo genie.png will be embedded if you do not upload a replacement.