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Check document authenticity
Check whether the document matches its certificate, whether its signature is valid and whether its timestamp can be verified. Files are read and checked in your browser.
Result in seconds, free and no account
Private: your files never leave your device
Verifiable by anyone, independently
Drop your files here
the original document and its Fylark certificate
Up to 2 files, 50 MiB per file.
Your files are never uploaded or stored. Everything happens on your device.