Clear content
Show users what will be encoded before they download the QR image.
为什么这个二维码工具更实用
好的二维码生成器应该快速、移动端友好，并清楚说明编码内容。每种二维码都有独立页面、关键词和相关内链。
Mobile first
Most QR tasks happen on phones, so forms and scanner controls must be touch friendly.
Internal links
Each QR type links to related formats and scanner pages for better SEO navigation.