PDF Watermark
Stamp your own watermark text — like CONFIDENTIAL or your company name — diagonally across every page of a PDF. Adjust the opacity, size and color, then download the marked file. Free, fast and fully private.
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Drag & drop a PDF here
or click to browse from your device
File: —
Privacy note: Your files never leave your browser — everything runs on your phone or computer, nothing is uploaded.
How to use
- Click the box above or drag and drop your PDF into it — the page count will appear.
- Type your watermark text and adjust opacity, font size, color and the diagonal option.
- Click Add Watermark & Download.
- Your watermarked PDF downloads automatically with "-watermarked" added to its name.
Tips
- Use low opacity so the watermark does not make the page hard to read.
- A diagonal watermark across the center is harder to remove than a corner stamp.
- Watermarks mark ownership, but they cannot stop someone determined from copying the file.