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Aperçu
How to add a watermark to a PDF online?
Adding a PDF watermark lets you mark your documents with your name, logo or "CONFIDENTIAL" notice to protect your rights and identify the file's origin. FileSwiftly applies your text or image watermark in seconds.
Text watermark vs image watermark
A text watermark is ideal for legal notices, version numbering, or identifying a specific recipient. You control font, size, colour and opacity. An image watermark (logo, stamp) is perfect for branding or official documents.
Watermark position and opacity
Place the watermark diagonally (most visible, hard to crop out), in the header or footer. Adjustable opacity from 10% to 100% gives a discreet or prominent result depending on your needs.
Protect documents with a watermark
A watermark does not replace a PDF password, but it deters copying and unauthorised use. For maximum protection, combine both: visible watermark + AES 256-bit encryption.
FAQ
Can a PDF watermark be removed?
A well-embedded watermark is very hard to remove without specialised tools. For maximum protection, combine it with a password.
Is the watermark applied to all pages?
Yes, all pages receive the watermark by default. You can choose to apply it to specific pages only.