PPDF Helper
Core tools · Text watermark

Add Watermark to PDF

Place a custom text watermark across PDF pages before sharing or review.

✓ Files stay on your device✓ No signup to get started✓ Free browser workflow
THE PDF JOB

Get this job done without an upload detour

Mark a document as confidential, draft, approved, or belonging to a specific review copy.

  1. 1Choose a PDF
  2. 2Enter short watermark text such as CONFIDENTIAL
  3. 3Apply locally, review, and download
PRIVACY FOR THIS JOB

Your document stays under your control

Your watermark text and PDF are combined locally. The label and document contents are not sent to YourPDFJob.

LIMITS TO KNOW

Check these before you start

  • Text watermarks currently support English letters, numbers, and common symbols.
  • A watermark is a visual notice, not access control or permanent redaction.
  • Digitally signed PDFs may lose signature validity after modification.
REAL-WORLD EXAMPLE

Label a review draft

Input
A proposal that should display CONFIDENTIAL on every page
Result
A visibly marked review PDF while the original file remains unchanged.
ZERO UPLOADS

Verify the privacy claim yourself

Your watermark text and PDF are combined locally. The label and document contents are not sent to YourPDFJob. You can inspect your browser Network panel while the job runs to confirm whether any PDF body leaves the device.

Learn how to verify local processing