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保护与优化无需注册
拼合 PDF
拼合表单字段和注释，使 PDF 无法再被编辑。
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如何使用 拼合 PDF
- 1
上传文件
将文件拖放到上传区域，或点击从设备中选择。
- 2
选择选项
配置所需设置，然后点击处理按钮。
- 3
下载结果
处理后的文件会立即准备好。点击下载保存。
常见问题
It merges interactive form fields and annotations into the page content so they become permanent and can no longer be edited or changed.
Flattening locks filled forms before sharing, prevents accidental edits, and ensures the document looks identical in every PDF viewer.
Yes. The values stay fully visible on the page — they just can no longer be edited as form fields.
No. Flattening runs entirely in your browser and your PDF never leaves your device.