💧
Add Watermark to PDF
Stamp text across every PDF page.
Loading tool…
How to use the Add Watermark to PDF
- 1Drop or choose your PDF file.
- 2Enter watermark text and set font size and opacity.
- 3Click Add watermark & download to save the stamped PDF.
About the Add Watermark to PDF
Free online PDF watermark tool. Add custom diagonal text watermarks to every page with adjustable font size and opacity, right in your browser. No upload.
Frequently asked questions
- Does my PDF get uploaded to a server?
- No. The watermark is applied entirely in your browser using pdf-lib, so your file never leaves your device.
- Can I change how visible the watermark is?
- Yes. Use the font size and opacity sliders to make the diagonal text bold and obvious or light and subtle on every page.
More PDF Tools
→
🖼️
Images to PDF
Combine JPG and PNG images into a single PDF.
→🔗
Merge PDF
Combine multiple PDF files into one document.
→✂️
Split PDF
Extract a page range from a PDF.
→🔄
Rotate PDF
Rotate all pages of a PDF.
→🗑️
Delete PDF Pages
Remove specific pages from a PDF.
→🔢
Add Page Numbers to PDF
Insert page numbers into a PDF.