# kazuhikoarase/qrcode-generator

QR Code Generator implementation in JavaScript, Java and more.

Repository: https://github.com/kazuhikoarase/qrcode-generator
Canonical: https://ross.abutalabs.com/products/qrcode-generator
Homepage: https://kazuhikoarase.github.io/qrcode-generator/js/demo/
Language: HTML
License: MIT
License Family: permissive
Last push: 2026-02-14T10:06:24+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 67, release rhythm 42, longevity 100
- inputs: {"age_days": 5368, "days_push": 200, "days_rel": 391, "gap_med": 1.0, "n_releases_24m": 7}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2359, forks 713 (observed 2026-08-28T04:06:40.802483+00:00)

## What it is
A QR Code generator library implemented in JavaScript, Java, and other languages, based on the JIS X 0510:1999 standard. It supports multiple encoding modes (Numeric, Alphanumeric, Byte, Kanji), error correction levels, and multibyte encodings like UTF-8 and SJIS.

## Use cases
- generate QR codes in javascript
- create QR code images from text or urls
- embed QR code generation in a java application
- generate QR codes with kanji or utf-8 support
- add QR code generation to a website
- generate QR codes with configurable error correction

## When to choose
- you need a lightweight, dependency-free QR code generator
- you need consistent QR generation across multiple languages like JavaScript and Java
- you need support for multibyte encodings such as UTF-8 or SJIS
- you want a mature, MIT-licensed implementation of the QR standard

## When to avoid
- you need to decode or scan QR codes rather than generate them
- you need styled or designer QR codes with logos and custom colors
- you need other barcode formats beyond QR codes

## Facets
- artifact type: library
- maturity: stable
- function: image-processing, sdk, developer-tools
- domain: web-development, developer-tools, cross-platform
- platform: jvm, cross-platform, browser
- tags: qr-code, barcode, multi-language, jis-x-0510, javascript, nodejs

## Member repositories
- kazuhikoarase/qrcode-generator (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:40.802483+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 2026-08-30T02:36:13.559307+00:00, confidence not recorded.
  - readme: https://github.com/kazuhikoarase/qrcode-generator (fetched 2026-08-28T04:06:40.802483+00:00, sha a33bc646b029)
  - homepage: https://kazuhikoarase.github.io/qrcode-generator/js/demo/ (fetched 2026-08-29T10:16:46.831854+00:00, sha c3dac70f502c)
- Data as of 2026-08-30T08:39:29.467469+00:00.