Signed with the file

Tamper-evident. Lost when the file is re-saved or stripped.

  • Content CredentialsOnc2pa=off
  • Source creditsWith the credential

Beside the pixels

Written into the file's metadata fields. Lost when the file is re-saved or stripped.

  • Provenance metadataWhere the format has fields
  • Design-system recordOn_madewith=0
  • LicenceAll rights reservedlicence=

In the pixels

Drawn into the picture itself. The Imprint and the Durable credential ride in raster images and outlast recompression, as a hint rather than proof.

  • Lolly ImprintOnimprint=0
  • Durable credentialOffdurable=1
  • Visible watermarkExperimental tools only