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Add Watermark to PDF
Add a custom text watermark to every page of a PDF.
Privacy-focused processingBrowser processing is used wherever practical.
25-minute cleanup policyServer files, when required, are removed after completion—not during active work.
PDF, JPG, PNG, WebP or text as applicableMaximum size and exact support are shown inside the tool.
About This Tool
Place a diagonal text watermark across every PDF page while keeping processing on your device.
How to Use
- Choose one PDF file.
- Enter watermark text and choose its opacity.
- Click Add Watermark.
- Download the watermarked PDF.
Tool Features
- Custom watermark text
- Three opacity choices
- Applied consistently to every page
Common Use Cases
Prepare files for sharing, printing or archiving.
Convert, organize or review document pages.
Complete supported work locally in a modern browser.
Supported Input and Output
PDF, JPG, PNG, WebP or text as applicable
- Check the tool workspace for its exact file-size limit.
- Browser format support can vary by device and browser version.
- Always review the generated result before important use.
Frequently Asked Questions
Can I remove the watermark later?
This tool permanently adds the watermark to the downloaded copy, so keep your original PDF.
Security and Privacy Information
Supported processing runs inside your browser whenever practical.
When server processing is required, cleanup starts only after the work completes.
Avoid uploading confidential data unless you understand the displayed processing notice.