zint

Generate QR code

$ zint -b 58 -d "[data]" -o [output.png]

$ zint -b 20 -d "[data]" -o [output.png]

$ zint -b 13 -d "[1234567890123]"

$ zint -b 58 -d "[data]" -o [output.svg]

$ zint -b 58 -d "[data]" --scale [3]

$ zint -b 20 -d "[data]" --notext=0

zint [options]

zint is a barcode generator supporting over 50 barcode types. It creates 1D barcodes (Code 128, EAN, UPC), 2D barcodes (QR Code, Data Matrix, PDF417), and specialized formats (postal codes, pharmaceutical).
Output formats include PNG, BMP, GIF, PCX, SVG, EPS, and EMF. The tool can also output raw hex dumps for debugging or custom rendering.
zint includes both a command-line interface and a GUI (zint-qt). A library (libzint) is available for integration into applications.

-b type

Barcode type (number or name)

Data to encode

Output filename

Scale factor for output

Barcode height (for 1D barcodes)

Foreground color (hex)

Background color (hex)

Disable human-readable text

Read data from file

Process batch data from file

Output hex dump instead of image

Display symbol information

Common types: 1 (Code 11), 13 (EAN-13), 20 (Code 128), 29 (UPC-A), 55 (PDF417), 58 (QR Code), 71 (Data Matrix), 92 (Aztec Code), 142 (MaxiCode)
Use zint -t to list all supported types.

Different barcode types have different data requirements. Some accept only numbers, others have length restrictions.
QR codes and other 2D barcodes have error correction levels that trade capacity for redundancy.
Not all barcode scanners support all symbologies. Verify compatibility with target readers.

qrencode(1), barcode(1), dmtxwrite(1)