Watermark PDF
Stamp text across every page.
Stamp text (like "CONFIDENTIAL" or a company name) diagonally across every page of a PDF — useful for marking draft documents, protecting shared copies, or branding materials before distribution.
No WatermarkNo Signup RequiredSecure & PrivateWorks on All Devices
Files are processed on your device — never uploaded.
Supported formats
Accepts standard PDF files (.pdf). You choose the watermark text and its opacity.
Things to know
This adds a visible text watermark, not an invisible tracking/forensic watermark — it's meant to be seen, as a clear visual marker on the document.
How your data is handled
Watermarking happens entirely in your browser — your file is never uploaded.
Frequently asked
Related tools
Why FileMitra Watermark PDF?
Processed on your device
No watermarks on output
No signup or payment
Works on all devices
How to use
1
Upload your fileDrag and drop or choose file
2
Configure optionsChoose format and settings
3
Download resultGet your converted file instantly
Why people use this tool
Processed on your deviceThis tool runs entirely in your browser — your file is never uploaded to any server.
FastOptimized for quick results
Any deviceDesktop, mobile, or tablet
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