💧 Add Watermark to PDF
Protect your documents by adding custom text watermarks (e.g., "CONFIDENTIAL", "DRAFT", "COPYRIGHT") to every page. Fully customizable — no uploads, 100% private.
Click to Browse or Drag & Drop a PDF
Max 100MB | No upload, completely local💧 Watermark Settings
| File | Pages | Status |
|---|---|---|
| — | — | Pending |
📖 How to Add a Watermark to PDF (Step by Step)
- Step 1: Upload your PDF document (any size up to 100MB).
- Step 2: Customize watermark text, position, rotation, opacity, font size, and color.
- Step 3: Click "Add Watermark" – the tool instantly applies the watermark to every page.
- Step 4: Download your watermarked PDF. All changes are permanent.
- Step 5: Use the protected document for legal, business, or confidential sharing.
💡 Security & Privacy
- ✔️ 100% client‑side – your file never leaves your device.
- ✔️ Powered by pdf‑lib – watermarks are embedded natively into the PDF structure.
- ✔️ No registration, no upload, no hidden fees.
💡 Pro Tip: Use semi‑transparent watermarks (opacity 0.3‑0.5) for a professional look. Center position with slight rotation works best for confidential documents.
🔒 100% client‑side • Your PDF never uploaded • Native PDF watermark • Zero tracking