良心APP
虽然不经常会用到这个APP 一旦用到就很得心应手 非常实用 这也是为数不多的无广告证件水印相机
50张道一半就闪退
不能批量太多
水印清晰度待提升
打完水印之后，图片放大看水印会非常模糊，希望可以提升一下水印清晰度。
好用
免费，不联网，无广告，真的好用
增加水印密度选项
工具非常好用，感谢作者，请问了增加更多水印密度选项吗，现在只有三个，不能满足需求。或者可以直接用数值调整的
$1.99
Details
About
This utility app allows users to add text watermarks to documents and photos, protecting personal information from misuse. It supports batch processing for up to 50 images and can export in PDF or image formats, including an A4 print mode.
✓Add text watermarks
✓Protect privacy information
✓A4 copy print mode
✓Export PDF or image
✓Batch watermark up to 50 photos
✓No network requests
Show original description
What's New in 证件水印
1.5
January 12, 2026
- 改进了扫描照片的增强滤镜； - 改进了扫描识别的精准度；
User reviews
Developer apps
FAQ
What is 证件水印 used for?
证件水印 is a utility app designed to add text watermarks to your documents and photos. This helps protect your privacy by preventing unauthorized use of your personal information.
How much does 证件水印 cost?
证件水印 is a paid app, priced at $1.99. This one-time purchase grants you access to its features for protecting your documents and photos.
Does 证件水印 have ads?
No, 证件水印 is ad-free. The app does not contain advertisements, ensuring a clean and uninterrupted user experience while you add watermarks.
What devices does 证件水印 support?
证件水印 is available for iPhone, iPad, and iPod devices. It is designed to work seamlessly across Apple's mobile ecosystem.
Is 证件水印 safe to use for my sensitive documents?
Yes, 证件水印 is designed with privacy in mind. The app states it does not record any information, has no network requests, and does not send any data, ensuring your information remains secure.
Can I add watermarks to multiple photos at once with 证件水印?
Yes, 证件水印 supports batch processing for adding watermarks to up to 50 photos simultaneously. This feature allows for efficient protection of multiple images.
What export options are available in 证件水印?
证件水印 allows you to export your watermarked documents and photos in both PDF and image formats. It also supports an A4 copy print mode for easy printing.
How often is 证件水印 updated?
The latest version of 证件水印 is 1.5, last updated on January 12, 2026. This indicates a recent update, suggesting ongoing development and support for the application.
