PDF Tool
Add Watermark
Stamp a repeated text watermark across a PDF with browser-based processing.
Browser-based workflowGuest mode availableNo installation requiredPrivacy-first design
Upload a PDF
Choose one PDF file to watermark.
Press Enter, Space, or use the browse button to upload files.
No files added yet.
Up to 3 processings per day with no watermark
Remaining today without watermark: 3
Options
How it works
The watermark is applied as repeated text across every PDF page.
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FAQ
What kind of watermark can I add?
This workflow adds a repeated text watermark with configurable opacity and angle.
Is the watermark applied to every page?
Yes. The watermark is drawn onto every page of the uploaded PDF.
About this tool
PDFCustom adds configurable text watermarks to PDFs in the browser. Add Watermark is useful for drafts, review copies, internal sharing, and ownership marking workflows.