# kenglxn/QRGen

a simple QRCode generation api for java built on top ZXING

Repository: https://github.com/kenglxn/QRGen
Canonical: https://ross.abutalabs.com/products/qrgen
Homepage: http://glxn.net/2012/03/10/qrgen-a-small-wrapper-on-top-of-zxing-for-generating-qrcodes-in-java
Language: Java
License Family: other
Last push: 2026-01-26T21:34:15+00:00

## Health v2 (maintenance only)
Score: 52/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 64, release rhythm 8, longevity 100
- inputs: {"age_days": 5346, "days_push": 219, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1505, forks 293 (observed 2026-08-28T04:04:54.898667+00:00)

## What it is
QRGen is a simple Java QR code generation library built as a wrapper on top of ZXING, with a fluent API for creating QR codes as files or streams. It offers core, javase, and android modules and is distributed via JitPack.

## Use cases
- generate qr codes in java
- create qr code image from text
- generate qr code png jpg gif in android app
- write qr code to output stream
- resize qr code image output

## When to choose
- you need a simple fluent API for QR generation on the JVM
- you want QR codes in Java SE or Android apps without touching ZXING directly
- you need QR output as files, streams, or custom image types and sizes

## When to avoid
- you need QR code scanning/decoding, not generation
- you need barcode formats beyond QR codes
- you require a library published on Maven Central (QRGen now ships via JitPack only)

## Facets
- artifact type: library
- maturity: stable
- function: image-processing, sdk, developer-tools
- domain: developer-tools, web-development, mobile-development
- platform: jvm, cross-platform
- tags: qr-code, zxing-wrapper, barcode-generation, fluent-api, android

## Member repositories
- kenglxn/QRGen (main) score 52

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:54.898667+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:32:42.316344+00:00, confidence not recorded.
  - readme: https://github.com/kenglxn/QRGen (fetched 2026-08-28T04:04:54.898667+00:00, sha 42053454a3c4)
  - homepage: http://glxn.net/2012/03/10/qrgen-a-small-wrapper-on-top-of-zxing-for-generating-qrcodes-in-java (fetched 2026-08-29T11:37:13.797270+00:00, sha 1cea22fbc7c1)
  - site_page: https://glxn.net/about (fetched 2026-08-29T11:37:13.799999+00:00, sha 75e6ba95d173)
- Data as of 2026-08-30T08:39:29.467469+00:00.