Send
Choose a file or paste text. It is read and encoded on this device only — nothing is uploaded. Then point the receiving device's camera at the code below.
Drop a file here or click to choose one.
suggested ≤ 10 MB · maximum 64 MBAdvanced settings
If the receiver reads slowly, lower this first.
Denser codes are faster but harder to scan.
Damaged frames are simply dropped; the fountain code absorbs the loss.
Tip: raise this screen's brightness before you start — brighter codes scan faster.
⚠ This area flashes rapidly while sending.
Leave this playing until the receiver reports a verified transfer. The stream repeats and mixes automatically — there is nothing to restart if frames are missed.