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Verify a signed NDA
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  Every NDA sealed through Send NDA can be checked by its exact bytes. Upload the PDF you received and see whether it is the one both parties signed.

  Check a PDF
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    The signed PDF         

 Drop the PDF here or click to browse 

 PDF, up to 20 MB. Once checked, it is deleted.  

 Verify PDF  

    What a match means The file is byte for byte the PDF Send NDA sealed when both parties had signed, and the record of every step behind it is intact. 

 What no match means The file was changed, even by one character, it was never sealed here, or the record behind it no longer checks out. Ask the other party for the copy they received by email. 

 What happens to your file Its fingerprint is compared with the sealed NDAs, then the file is deleted and nothing about it is kept. A file that is not a PDF or is over 20 MB is refused unchecked, and its temporary upload is cleared once it is a day old.