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Frequently asked
Does Hero need my camera?
No. It only generates codes — it never scans, so it never asks for camera access.
What is Scan Health?
A reliability score computed from contrast, data density and error correction level, with tips like “raise ECC” or “remove the logo” when the score drops.
Can I put my logo in the middle?
Yes — add a logo overlay in Style Studio. Scan Health warns you if it covers too much of the code.
Does it work offline?
Completely. The app has no networking at all — airplane mode changes nothing.
Can I generate many codes at once?
Yes — Batch mode turns a list of inputs into a pack of codes in one style, exported together.
Is my config sent anywhere?
Never. Everything is computed on device; the app cannot make network requests.
What can I export?
PNG at up to 4096px, the share sheet, or a full-screen code for scanning from another device.