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qrencode

A command-line tool and C library for generating QR Code symbols from text or data.

Open source (LGPL-2.1-only)By Kentaro Fukuchi

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About qrencode

qrencode is a utility that turns input data into a QR Code image. It ships with libqrencode, a compact C library that generates QR Code Model 2 symbols as defined in JIS X0510:2004 and needs no external files at runtime.

QR codes can hold around 7000 digits or about 4000 alphanumeric characters with error correction. The tool suits anyone who wants to make QR codes from a script or terminal. ECI and FNC1 embedding and Model 1 codes are not supported.

Strengths

  • Fast QR code generation from the shell
  • Automatic analysis of the input data
  • Library usable from many language bindings

Limitations

  • No ECI, FNC1 or QR Code Model 1 support
  • Homepage documentation is mostly in Japanese

Details

Pricing
FreeFree and open source under the LGPL 2.1.
License
LGPL-2.1-only
Developer
Kentaro Fukuchi
Platforms
Windows, macOS, Linux, Command line
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Generating QR codes from scripts and the terminal
Last verified
Added

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