二维码生成
在本设备处理 · 无需上传将链接或文本即时转换为二维码。
如何制作二维码
- 输入要转换为二维码的链接或文字。
- 根据需要设置尺寸、边距和颜色。
- 查看实时预览并下载为PNG或SVG。
The QR code generator turns links, text, or contact details into a code anyone can open with a single scan. Add it to business cards, posters, menus, or event flyers to connect print directly to the web. Everything is generated in your browser and is completely free.
PNG or SVG — which to pick
PNG is convenient for the web and social media. For large prints like posters or banners, SVG is better because this vector format never gets blurry no matter how much you scale it. For print, leave a generous margin so scanning stays reliable.
Tips for reliable scanning
Keep strong contrast between the foreground and background (a dark code on a light background) and avoid colors that are too faint. The more data you encode, the busier the pattern becomes and the harder it is to scan, so shorten long URLs first. To set an exact code color, pick it with the color picker.
常见问题
- 可以自定义二维码颜色吗？
- 可以，您可以自由设置前景色和背景色。
- PNG和SVG哪个格式更好？
- 印刷品建议使用不会失真的SVG格式，网页或社交媒体使用PNG格式。
- 生成的二维码可以商用吗？
- 可以，生成的二维码可以不受限制地自由使用。
- 二维码最多能存多少字？
- 最多可输入约4,296个字母数字字符。内容越长，二维码越复杂。
- Can I use the QR code commercially?
- Yes. The codes you generate are free to use without restriction.
- Do the QR codes expire?
- No. These are static codes that contain your input directly, so they never expire.