PDF Watermark
Add a text watermark to a PDF
Drag & drop or click
Max size: 15MB
Upload a PDF file and enter text
Features
Add a text watermark
Overlay any text semi-transparently onto the PDF
Supports 6 positions
Choose from center, four corners, or a tiled repeat
Adjust color, opacity, and size
Fine-tune the text color, opacity from 0 to 100%, and font size
Apply to all pages at once
Apply the same watermark to every page in the PDF together
How to Use
Select a PDF file
Specify the PDF you want to watermark from the upload field
Enter the watermark text
Enter the text you want to overlay in the text field
Set the placement and appearance
Adjust the position, text color, opacity, and font size
Run and save the result
Check the preview with the run button and download
Use Cases
Handling confidential materials
Mark internal documents as confidential or no-copy to deter information leaks
Preventing draft mix-ups
Add DRAFT to materials under review to avoid confusion with the final version
Indicating copyright and attribution
Add the author's or company name to distributed materials to discourage unauthorized use
Protecting quotations and proposals
Add a company watermark to sales materials to deter reuse and tampering
Safety and Privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
adding the watermark is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
No automatic saving of results
the PDF file and input suggestions are not stored on the server.
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Most tools are designed securely and do not transmit data.