Image Metadata Glossary
Key standards, acronyms, and technical definitions used in image metadata inspection and cleaning.
C2PA
Coalition for Content Provenance and Authenticity: An open technical standard that creates a cryptographic record of an image's origin, edits, and whether artificial intelligence tools were used.
JUMBF
JPEG Universal Metadata Box Format: A standardized container format used to embed structured binary metadata, such as C2PA manifests, inside JPEG and PNG file headers.
EXIF
Exchangeable Image File Format: The international standard for recording camera settings (shutter speed, aperture, ISO), lens models, device serial numbers, and GPS coordinates inside photos.
IPTC DigitalSourceType
A standardized photo industry code indicating whether an image was created by a camera, edited with AI assistance (compositeWithTrainedAlgorithmicMedia), or fully generated by an algorithm (trainedAlgorithmicMedia).
XMP
Extensible Metadata Platform: An XML-based standard created by Adobe for embedding editing history, copyright info, and digital asset tags into photo files.
ICC Profile
International Color Consortium Profile: A color management file embedded in photos (such as sRGB, Adobe RGB, or Display P3) ensuring colors look consistent across different screens and operating systems.