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Security

Add Watermark Online

Add a watermark to PDF online free. Stamp custom text like CONFIDENTIAL or DRAFT across every page with adjustable opacity, size, angle and colour — in your browser.

Drag & drop your file here

or browse files from your device

Maximum file size: 100 MB · Your files never leave your browser
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Adding a watermark to a PDF stamps text such as CONFIDENTIAL, DRAFT or your brand across every page. Our Add Watermark tool runs in your browser and lets you control the text, opacity, size, angle and colour.

Why use the Add Watermark tool?

Watermarks discourage unauthorised reuse and clearly mark a document's status. They are essential for drafts, proprietary reports and files shared for review. With ToolsManiaForYou, everything is handled through a clean, modern interface, and for browser-based tools your files are processed locally for privacy. You can also explore related tools like Protect PDF, Unlock PDF, Remove PDF Password to build a complete workflow.

Key features of Add Watermark

How to add watermark online — step by step

  1. Upload the PDF to watermark.
  2. Type your watermark text.
  3. Adjust opacity, size, angle and colour.
  4. Apply the watermark.
  5. Download your watermarked PDF.

Common use cases

Add Watermark at a glance

Price100% free — no signup, no watermark
Where it runsDirectly in your browser (files stay on your device)
Input formatPDF
Works onWindows, macOS, Linux, Android & iOS
Account neededNo — start instantly

Frequently asked questions about Add Watermark

Yes, you control the text, colour, opacity, font size and rotation angle before applying.
Yes, the watermark is stamped across all pages of the document for consistency.
No, watermarking happens entirely in your browser.
Absolutely — lower the opacity for a faint background mark or raise it for a bold stamp.
Yes, adding a watermark is free with no signup.

Conclusion

Add Watermark protects and brands your documents in one step. Customise your stamp and download a marked PDF in seconds.

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