Open the Add Watermark Tool
Go to our Add Watermark tool. Upload your PDF. Your file never leaves your device.
How to Add a Watermark to a PDF (Free)
Mark every page of your PDF with text like "DRAFT", "CONFIDENTIAL", or your name. Our free tool applies the watermark across all pages. No sign-up, no server uploads—everything runs in your browser.
Enter Your Watermark Text
Type the text you want on every page. You can adjust opacity and size so the watermark is visible but doesn't obscure the content.
Download Your Watermarked PDF
The watermark is applied to all pages. Download the new PDF when ready. No watermarks on our side—completely free.
Why Add a Watermark?
- Draft/confidential — Mark documents as draft or confidential
- Ownership — Add your name or company to shared files
- Privacy — Processing in your browser, no uploads
- No sign-up — Add watermark and download immediately