1. Drag and drop or click to upload PDF files (batch support, up to 20 files). It is recommended to test one first before bulk processing.
2. Configure watermark parameters and click "Apply Watermark" to preview. Once satisfied, you can download files individually or as a ZIP archive.
3. Processing occurs entirely in your browser. Speed depends on your hardware and browser performance. Avoid extremely large batches.
4. Questions? Contact QQ: 19577566 Email: iticu@qq.com