Caoliao QR code

Generators

Online

Generate styled QR codes with custom colors — local PNG export.

草料二维码风格：自定义前景/背景色，本地生成 PNG。

内容

前景色

背景色

边距

Overview

Runs entirely in your browser.

Create PNG QR codes for text/URLs, Wi‑Fi networks, and vCard contacts — offline-friendly and private.

Generate RFC 4122 version 4 UUIDs in bulk with one click.