ExactMark
For the office detective

You shared it in the group chat. If it leaks, find out who shared it.

Stop comparing timestamps, rumours and vague memories. Give every person a separately marked image or PDF before confidential office material starts moving around.

Give every copy a name See what ExactMark can trace →
Office group · 4 people
OPOffice planningPrivate group
You · 10:14
PDFQ4-update.pdfShared with the group
Lewis · 10:16

Got it, thanks!

Leaked copy detectedQ4-update.pdfUploaded to ExactMark
Copy made forTaylor AdamsRecipient copy 0298.4%
01
Turn the sheet into a PDFOr start with an image you already have.
02
Create one copy per personEach one gets its own hidden identity.
03
Ask the leaked copyUpload it to look for the strongest match.