A Go library for generating customizable QR codes with support for colors, shapes, icons, gradients, and WebAssembly.
go-qrcode is a Go library for generating QR codes with extensive customization options. It allows developers to create QR codes with customized colors, block shapes, icons, gradients, and halftone effects, supporting all standard QR versions from 1 to 40. The library solves the need for branded and visually appealing QR codes beyond basic black-and-white patterns.
Go developers who need to generate QR codes in their applications, particularly those requiring customization for branding, marketing materials, or creative projects.
Developers choose go-qrcode for its rich customization features, modular API, and WebAssembly support, which provide greater flexibility than basic QR generation libraries while maintaining ease of use in Go ecosystems.
To help gophers generate QR Codes with customized styles, such as color, block size, block shape, and icon.
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Supports custom colors, shapes (rectangle, circle, custom), gradients, and halftone effects, as demonstrated in the samples with fg gradient and custom shape examples.
Separates QR code generation from rendering, allowing easy implementation of custom writers or extensions, emphasized in the philosophy section for flexibility.
Can be compiled to WebAssembly for use in web applications, with dedicated examples and READMEs provided for integration, enabling cross-platform usage.
Automatically analyzes and generates QR codes across all standard versions 1 to 40, handling version selection based on source text without manual intervention.
Version 2 is not backward compatible with v1, requiring code migration and effort for existing users, as highlighted in the 'Migrating from v1' section.
Using WebAssembly requires additional compilation steps and setup, which can be cumbersome for developers not familiar with Go's toolchain or WebAssembly integration.
Primarily designed for Go, so it's not directly usable in other programming environments without workarounds like WebAssembly, restricting broader adoption.