PDF Watermark
Stamp any text on every page
Free forever — no sign-up, nothing uploaded. Files never leave your device.
PDF Watermark
Stamp any text on every page
Drop your file here
or browse from your device
Browse filesdocument.pdf
1.2 MB
report.pdf
860 KB
100% private
Nothing is uploaded — everything runs in your browser.
Free forever
No account or payment required.
No sign-up
Open the tool and start using it right away.
Local processing
Processing time depends on your input and device.
About this tool
Overlay configurable text watermarks (size, opacity, angle) across all pages of a PDF, fully client-side.
PDF Watermark is a versatile tool that adds custom text watermarks to every page of your PDF documents. Whether you need to stamp 'CONFIDENTIAL' on sensitive files, mark drafts with 'DRAFT' watermarks, brand documents with your company name, or add copyright notices, this tool lets you create professional watermarks with full control over text, font, size, color, opacity, and positioning. All watermarking is performed client-side in your browser for complete privacy.
Customize your watermark placement with options for centered, diagonal, or corner positioning, and adjust transparency to ensure the watermark is visible without obscuring content. The tool processes your PDF in seconds, applying consistent watermarks across all pages with pixel-perfect accuracy. From business professionals protecting proprietary documents to educators marking course materials, PDF Watermark delivers a quick, free, and secure solution for all your watermarking needs.
Key features
Everything you get with PDF Watermark — no premium upsell.
Add custom text watermarks to all PDF pages
Adjustable font, size, color, and opacity settings
Multiple placement options: center, diagonal, corners
Apply watermarks consistently across all pages
100% client-side processing with no data uploads
Free with no sign-up, watermarks, or file limits
How to use PDF Watermark
Follow the steps below to use the tool.
- 1
Upload PDF
Drag and drop your PDF file into the watermark tool or click to select it.
- 2
Enter Watermark Text
Type your watermark text and customize the font, size, color, and transparency.
- 3
Choose Position and Rotation
Select where the watermark appears on each page—center, diagonal, or specific corners.
- 4
Apply and Download
Click apply to add the watermark to all pages, then download your watermarked PDF.
Still free, still private — your files never leave your device.
Launch PDF WatermarkFrequently asked questions
Quick answers before you launch the tool.
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