Add Watermark to PDF
Insert a text or image watermark into your PDF documents for free. Customize font, color, position, and download instantly.
Complete Guide to PDF Watermarks
Watermarking is one of the most effective ways to protect PDF documents from unauthorized use. Whether you are sharing drafts, distributing confidential reports, or publishing digital content, a visible watermark establishes ownership and deters misuse without altering the original content.
When to Use PDF Watermarks
- Draft documents: Mark working copies as "DRAFT" or "FOR REVIEW ONLY" so recipients know content is not final.
- Confidential reports: Add "CONFIDENTIAL" or the recipient name to trace leaked copies.
- Photography portfolios: Overlay your logo on sample PDFs to protect creative work.
- Legal documents: Mark copies as "COPY" or "NOT FOR DISTRIBUTION."
- Educational materials: Brand course content to prevent unauthorized redistribution.
- Invoices and proposals: Add company logo for professional branding on every page.
Text Watermark vs Image Watermark
Text watermarks are ideal for simple labels like "DRAFT" or "CONFIDENTIAL." They are lightweight and render crisply at any zoom. Image watermarks are better for logos and complex branding. PNG with transparent backgrounds works best for subtle overlays.
Best Practices
- Semi-transparent colors: Visible enough to deter misuse but not so dark it obscures content.
- Strategic positioning: Center is harder to crop; corners are less intrusive for readable docs.
- Concise text: One or two words are more recognizable than full sentences.
- Apply to all pages: First-page-only watermarks leave the rest unprotected.
- Appropriate size: 18-36pt works for most documents.
- Test before sharing: Preview on different devices for readability.
Privacy and Security
Files are processed in memory and deleted immediately after watermarking. We never store, read, or share your document content. Results are available for instant download only.