qb2pdf · Watermark & sign

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Text

Layout Colour

Size 60 Opacity 20% Angle 45°

Signer name

Width 160 pt Print name, date & document ID under signature

👉 Click on the page preview to place the signature.

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Add tamper-evident digital seal

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Password to open Allow printing Allow copying text

Uses AES-256 encryption. Lock only after the last person has signed, because a locked PDF can't take more signatures.

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Checks whether a PDF sealed with qb2pdf has been changed since it was signed, and who signed it.

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