Watermark PDF
Stamp a text watermark diagonally across every page.
🔒 Files are processed on your device. Nothing is uploaded.
How to use Watermark PDF
- Click Choose files or drop your files into the box.
- Check the settings.
- Press Add watermark and download the result.
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FAQ
Is Watermark PDF free?
Yes. Unlimited use, no sign-up, no watermark.
Are my files uploaded to a server?
No. FieldConvert processes files inside your browser, so your files never leave your device. That makes it private and fast, because there is no upload or download wait.
Is there a file size limit?
Only your device's memory. Files up to about 2 GB work in most desktop browsers.