| Field | Type | Exiftool | Adobe XMP | DCMI |
|---|---|---|---|---|
| Altitude | decimal | GlobalAltitude, GPSAltitude | ||
| Aperture | decimal | ApertureValue, Aperture | ||
| FNumber | decimal | FNumber | ||
| FPS | decimal | VideoFrameRate, VideoAvgFrameRate | ||
| FocalDistance | decimal | HyperfocalDistance | ||
| Duration | duration | Duration, MediaDuration, TrackDuration, PreviewDuration | ||
| Favorite | flag | Favorite | ||
| Flash | flag | FlashFired | ||
| Keywords | list | Keywords | ||
| FocalLength | number | FocalLength, FocalLengthIn35mmFormat | ||
| Frames | number | FrameCount, AnimationFrames | ||
| Height | number | ImageHeight, ImageLength, PixelYDimension, ExifImageHeight, SourceImageHeight | ||
| ImageType | number | HDRImageType | ||
| Iso | number | ISO | ||
| Rotation | number | Rotation | ||
| Width | number | ImageWidth, PixelXDimension, ExifImageWidth, SourceImageWidth | ||
| Artist | text | Artist, Creator, By-line, OwnerName, Owner | Creator | |
| CameraMake | text | CameraMake, Make | Make | |
| CameraModel | text | CameraModel, Model, CameraID, UniqueCameraModel | CameraModel, Model | |
| CameraOwner | text | OwnerName | ||
| CameraSerial | text | SerialNumber | ||
| Codec | text | CompressorID, VideoCodecID, CodecID, OtherFormat, FileType | ||
| ColorProfile | text | ICCProfileName, ProfileDescription | ||
| Copyright | text | Rights, Copyright, CopyrightNotice, WebStatement | Rights, Rights.Alt | |
| Description | text | Description, ImageDescription, Caption, Caption-Abstract | Description, Description.Alt | |
| DocumentID | text | ContentIdentifier, MediaGroupUUID, BurstUUID, OriginalDocumentID, DocumentID, ImageUniqueID, DigitalImageGUID | ||
| Exposure | text | ExposureTime, ShutterSpeedValue, ShutterSpeed, TargetExposureTime | ||
| FileName | text | FileName | ||
| GPSLatitude | text | GPSLatitude | ||
| GPSLongitude | text | GPSLongitude | ||
| GPSPosition | text | GPSPosition | ||
| InstanceID | text | InstanceID, DocumentID | ||
| LensMake | text | LensMake | ||
| LensModel | text | LensModel, Lens, LensID | LensModel, Lens | |
| License | text | UsageTerms, License | ||
| Notes | text | Comment, UserComment | ||
| Projection | text | ProjectionType | ||
| Software | text | Software, CreatorTool, HistorySoftwareAgent, ProcessingSoftware | ||
| Subject | text | Subject, PersonInImage, ObjectName, HierarchicalSubject, CatalogSets | Subject | |
| TimeOffset | text | OffsetTime, OffsetTimeOriginal, OffsetTimeDigitized | ||
| Title | text | Title, Headline | dc:title | title, title.Alt |
| CreatedAt | timestamp | SubSecCreateDate, CreationDate, CreateDate, MediaCreateDate, ContentCreateDate, TrackCreateDate | ||
| TakenAt | timestamp | SubSecDateTimeOriginal, SubSecDateTimeCreated, DateTimeOriginal, CreationDate, DateTimeCreated, DateTime, DateTimeDigitized | DateCreated | |
| TakenAtLocal | timestamp | SubSecDateTimeOriginal, SubSecDateTimeCreated, DateTimeOriginal, CreationDate, DateTimeCreated, DateTime, DateTimeDigitized | ||
| TakenGps | timestamp | GPSDateTime, GPSDateStamp |
Metadata Tags by Namespace
| Namespace | Documentation |
|---|---|
| Exiftool Exif | https://exiftool.org/TagNames/EXIF.html |
| Exiftool XMP | https://exiftool.org/TagNames/XMP.html |
| Adobe XMP | https://docs.photoprism.app/developer-guide/metadata/xmp/#specification |
| Dublin Core (DCMI) | https://www.dublincore.org/specifications/dublin-core/dcmi-terms/ |
| IPTC Photo Metadata | https://iptc.org/standards/photo-metadata/iptc-standard/ |
Original media and sidecar files are scanned for Exif and XMP data, as well as proprietary metadata, including Google Photos JSON. The combined information is then normalized, merged, and enriched with additional information.
PhotoPrism® Documentation
For detailed information on specific product features, services, and related resources, see our Knowledge Base, or read the User Guide for help using the web user interface:
