How to Use Watermark PDF
- Step 1: Upload your PDF document.
- Step 2: Choose between Text or Image watermark.
- Step 3: Adjust transparency, size, and position.
- Step 4: Download your watermarked PDF instantly.
Key Features
- Custom text with font selection.
- Transparent image overlays support.
- Batch apply to all pages automatically.
- Privacy-first: Local rendering only.
Frequently Asked Questions
Can the watermark be removed easily?
We flatten the watermark into the PDF structure, making it difficult to remove without professional editing tools.
Can I watermark only the first page?
Yes, you can toggle between 'All Pages' or 'First Page Only' in the settings.
Related Privacy Tools
🔒 Privacy & Security by Design
Dumkera is built for the security-conscious professional. By using WebAssembly (WASM) and ONNX Runtime, we move the processing from our servers to your machine.
Traditional online tools require you to upload your sensitive PDFs, private photos, and videos to their cloud.
On Dumkera, your files never leave your device. Open your browser's Developer Tools (Network Tab) and verify it for yourself.
We are GDPR compliant, CCPA compliant, and enterprise-ready.