Free Online Add Watermark to PDF Online
Protect drafts and internal documents with a visible watermark on every page. Use custom text or upload a PNG/JPG logo — all applied privately in your browser.
Click to upload or drag & drop a PDF file here
Supports single PDF files
Done! Your file is ready.
100% Private & Secure — Local Browser Processing
Your privacy is our top priority. Unlike other online tools, we never upload your files to any server. Everything is processed instantly inside your web browser.
- Zero Server Uploads: Sensitive data never leaves your device.
- 100% Safe: Perfect for confidential business contracts and personal PDFs.
- Instant Speed: No queueing or waiting for server downloads.
How to use this tool
- Upload your PDF file.
- Choose Text watermark or Image watermark and enter text or select an image.
- Click Add Watermark to apply it to all pages.
- Download the watermarked PDF.
Frequently asked questions
Can I use my company logo as a watermark?
Yes. Switch to Image watermark and upload a PNG or JPG. The image is centered on each page at reduced opacity.
Will a watermark make my PDF unreadable?
Watermarks are designed to be visible but unobtrusive — text and images remain readable underneath.
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