二维码识别
上传图片或截图识别其中的二维码内容。
关于「二维码识别」
它属于「开发辅助」分类：前端与后端开发中经常用到的小工具。
完全免费、无需注册；所有处理都在浏览器本地完成，文件不会上传到任何服务器。
相关关键词：二维码识别、开发辅助、二维码、识别、解码、在线工具、免费
如何使用「二维码识别」
- 打开工具：打开「二维码识别」页面，无需注册、无需安装任何软件。
- 准备输入：准备好要处理的内容或文件：文本可直接粘贴，文件可拖入页面（本工具属于「开发辅助」）。
- 填入内容：把内容粘贴进输入框，或把文件拖入页面；也可以点击「示例」先填入样例数据试一下。
- 设置选项并处理：按需调整页面上的选项，然后点击处理 / 转换 / 生成按钮。
- 获取结果：处理完全在浏览器本地完成，结果可直接复制或下载，文件不会上传到任何服务器。
常见问题
- 为什么识别不出来？
- 图片需清晰、二维码完整且未被遮挡；模糊或过小会降低成功率。
- 支持条形码吗？
- 不支持；本工具仅针对二维码（QR Code）。
QR Code Reader (English)
Upload an image or screenshot to read its QR content.
Belongs to “Dev Tools”: Small utilities frequently used in front-end and back-end development.
Free, no sign-up; everything runs locally in your browser and files are never uploaded.
Keywords: QR Code Reader, Dev Tools, qr, decode, scan, online tool, free
How to use it
- Open the tool：Open the “QR Code Reader” page — no sign-up and nothing to install.
- Prepare the input：Prepare the content or file to process: paste text or drop a file onto the page (this tool belongs to “Dev Tools”).
- Provide the input：Paste your content into the input box or drop a file onto the page; you can also click “Sample” to try example data first.
- Adjust options and run：Adjust the options if needed, then click the process / convert / generate button.
- Get the result：Everything runs locally in your browser; copy or download the result — your files are never uploaded.
FAQ
- Why won't it decode?
- The image must be clear with a complete, unobstructed QR; blur or small size lowers success.
- Does it support barcodes?
- No — this tool only handles QR codes.
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