Local browser processing

Stamp a contract

Place regular or edge seals, position them, and export locally.

Privacy firstFiles are processed only in this browser tab and are never uploaded or stored on a server.

1. Choose contract PDF2. Choose seal image

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Choose a PDF and a seal image first.

Only process contracts and seals you are authorised to use. This feature overlays an image on a PDF; it is not a certificate-based digital signature and does not guarantee legal validity. Keep the original and review every page.

How to use this tool

Choose files you are authorised to process.
Set the options and process locally.
Download and review the result. Keep the original for important files.