Thêm Watermark

Đóng dấu văn bản hoặc hình ảnh lên các trang PDF của bạn.

Nhấp để chọn tệp hoặc kéo và thả

PDF file

Tệp của bạn không bao giờ rời khỏi thiết bị.

How It Works

1

Upload File

Click or drag and drop your file to start

2

Process

Configure your watermark settings and apply

3

Download

Save your watermarked file immediately

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Commonly Asked Questions

Is add watermark really free?

Yes! FilePdf.net is 100% free with no hidden costs, no registration required, and unlimited file processing.

Are my files private and secure?

Absolutely! All processing occurs in your browser. Your files never leave your device, ensuring complete privacy.

Is there a file size limit?

No! Process files of any size, as many times as you want, completely free.