barcode_pao_wasm

https://github.com/pao-ac/barcode-pao-wasm-ruby

Cross-platform barcode generation library using WebAssembly, supporting 18 barcode types: Code39, Code93, Code128, GS1-128, NW-7, ITF, Matrix 2of5, NEC 2of5, JAN-8, JAN-13, UPC-A, UPC-E, GS1 DataBar (Standard/Limited/Expanded), QR Code, DataMatrix, PDF417, and Japan Post Customer Barcode. Output formats: PNG, JPEG, SVG. Requires Node.js.