PDF Watermark Tool

About the PDF Watermark Tool

Add a text watermark across your PDF pages. This PDF tool processes your document locally — no uploads to any server. Upload your PDF and get results immediately. All PDF tools respect your privacy and work completely offline.

Maximum file size for PDFs is 20 MB.

How to Use the PDF Watermark Tool

1. Open the tool — it loads instantly in your browser. No installation or registration needed.
2. Provide your input — Upload your PDF by dragging and dropping it into the upload area, or click to browse. PDF files up to 20 MB are accepted.
3. Configure settings — Adjust any options like page ranges, rotation, or compression settings.
4. Process — Click the action button — the tool processes your PDF entirely in your browser.
5. Get your result — view, copy, or download your output instantly.

Why Choose Our PDF Watermark Tool?

• 100% Free — No hidden fees, no premium tiers, no registration required. All 100+ tools on this site are completely free.
• Private & Secure — Everything processes locally in your browser. Your files and data never leave your device. We never see, store, or transmit your content.
• No Installation — Works directly in your browser on any device. No plugins, no downloads, no setup.
• Fast Results — Instant client-side processing with no server latency. Get your output in seconds.
• Works Offline — Installable as a PWA. Use our tools even without an internet connection.

Your privacy matters. Close the tab and your data is permanently gone — nothing is stored on our servers. For more details, read our Privacy Policy.