What this tool does
Watermark PDF: free online PDF tool with clear controls, private processing where supported and verifiable results.
Input and output
Add watermark: one file (PDF) plus one watermark image or logo (PNG, JPG, JPEG) → the Watermark PDF result, which you can copy and download when the tool produces a file
How to use Watermark PDF
- Provide one file (PDF) plus one watermark image or logo (PNG, JPG, JPEG).
- Leave Watermark type at its default "text" or choose another value.
- Leave Watermark text at its default "CONFIDENTIAL" or choose another value.
- Press "Add watermark" and review the result in the panel on the right.
- Download or copy the Watermark PDF result, which you can copy and download when the tool produces a file.
Settings
Privacy and limitations
- Watermark PDF runs entirely in your browser: the input is not uploaded, so it never leaves your device.
- Accepted input types: PDF, PNG, JPG, JPEG.
- Output: the Watermark PDF result, which you can copy and download when the tool produces a file.
- Results depend on valid input and on the limits declared by each field above; this page does not promise a fixed processing time or file size.
Frequently asked questions
- Is my data uploaded when I use Watermark PDF?
- No. This tool runs entirely in your browser, so the input stays on your device and is not uploaded.
- Which input does it accept?
- It accepts one file (PDF) plus one watermark image or logo (PNG, JPG, JPEG). Supported file types: PDF, PNG, JPG, JPEG.
- What do I get back?
- After you press "Add watermark" the result panel shows the Watermark PDF result, which you can copy and download when the tool produces a file, which you can copy or download.
- Can I change the settings?
- Yes. The page exposes Watermark type (TEXT, IMAGE); Position (CENTER, TOP-LEFT, TOP-CENTER, TOP-RIGHT, BOTTOM-LEFT, BOTTOM-CENTER); Tile across page (NO, YES).
