BT Printer

Frame

Text inside the frame

Auto size (as big as fits) Size

Align Bold

Space inside (dots) Copies

{date} and {time} are filled in when printing.

Text

Size Align Bold

Choose image or take photo

Width % Brightness Dither (photos)

Title (optional) Code type Code data Text below (optional)

QR size % Copies

Print a job from another system. Data arrives via the app URL (?text=…, ?qr=…, ?barcode=…, ?job=…), via Android Share → BT Printer, or pasted/loaded below as a JSON job. Format: see README.

JSON job

Printer type Darkness (cat printer) Paper width (ESC/POS only — cat printers always use 384 dots)

Chunk size (bytes) Delay per chunk (ms)

Feed lines after print Cut paper (if printer has cutter)

Extra service UUIDs (one per line — only needed if the printer is not found)

Settings are saved on this phone automatically. Version 1.3.0

Preview

Log