| Member | Value | Description | 
| BMP | 1 | BMP metadata. | 
| BTR | 29 | BTR metadata. | 
| CAL | 2 | CALS metadata. | 
| CIFF | 1301 | CIFF metadata. | 
| CIFFAFInfo | 1305 | CIFF AF Info metadata. | 
| CIFFCanonCameraSettings | 1302 | CIFF Canon Camera Settings metadata. | 
| CIFFFocalLength | 1303 | CIFF Focal Length metadata. | 
| CIFFImageInfo | 1306 | CIFF Image Info metadata. | 
| CIFFShotInfo | 1304 | CIFF Shot Info metadata. | 
| CLP | 3 | CLP metadata. | 
| Common | 2000 | Used internally. | 
| CUT | 35 | CUT metadata. | 
| DCRAW | 1300 | Digital Camera RAW Formats metadata. | 
| DCX | 4 | DCX metadata. | 
| DICOM | 48 | DICOM metadata. | 
| DisplayInfo | 1124 | Photoshop Display info metadata. | 
| EXIF | 1100 | EXIF metadata. Can only exist as a subtree within EXIF or JPEG metadata. | 
| EXIF_FPXR | 1103 | EXIF FPX Ready metadata. Can only exist as a subtree within EXIF metadata. | 
| EXIF_GPS | 1101 | EXIF GPS metadata. Can only exist as a subtree within EXIF metadata. | 
| EXIF_InterOp | 1102 | EXIF Interoperability metadata. Can only exist as a subtree within EXIF metadata. | 
| EXIF_MakerNote | 1104 | EXIF Makernote metadata. Can only exist as a subtree within EXIF metadata. | 
| EXIF_MakerNote_Fuji | 1204 | Fujifilm EXIF Makernote metadata. | 
| EXIF_MakerNote_NikonType1 | 1202 | Nikon EXIF Makernote Type 1 metadata. | 
| EXIF_MakerNote_NikonType2 | 1203 | Nikon EXIF Makernote Type 2 metadata. | 
| EXIF_MakerNote_Olympus | 1200 | Olympus EXIF Makernote metadata. | 
| EXIF_MakerNote_Pentax | 1201 | Pentax EXIF Makernote metadata. | 
| GEM | 36 | GEM metadata. | 
| GIF | 5 | GIF metadata. | 
| HDPHOTO | 50 | HDPhoto metadata. | 
| ICA | 6 | ICA metadata. | 
| ICO | 26 | ICO metadata. | 
| IFF | 37 | IFF metadata. | 
| IMG | 42 | IMG metadata. | 
| IMR | 30 | IMR metadata. | 
| IMT | 31 | IMT metadata. | 
| IPTC | 1119 | General IPTC metadata. | 
| IPTC_AppDataset | 1109 | IPTC Record 2 (Application) metadata. | 
| IPTC_EnvDataset | 1108 | IPTC Record 1 (Envelope) metadata. | 
| IPTC_ObjDataset | 1112 | IPTC Record 8 (Object) metadata. | 
| IPTC_PhotoDataset | 1110 | IPTC Record 3 (Digital Newsphoto Parameter) metadata. | 
| IPTC_PostObjDataset | 1113 | IPTC Record 9 (Post-Object) metadata. | 
| IPTC_PreObjDataset | 1111 | IPTC Record 7 (Pre-Object) metadata. | 
| IPTC_Record | 1107 | IPTC Record metadata. | 
| JP2 | 45 | JPEG 2000 metadata. | 
| JP2Codestream | 4000 | JP2 Codestream Metadata. | 
| JP2FileFormat | 5000 | JP2 File Format Metadata. | 
| JPG | 46 | JPEG metadata. | 
| JPX | 47 | JPX metadata. | 
| KFX | 32 | KFX metadata. | 
| LV | 33 | LV metadata. | 
| MakerNote_Olympus_ApplicationModeIFD | 1207 | Olympus application mode IFD Makernote metadata. | 
| MakerNote_Olympus_ApplicationModeIFD2 | 1208 | Olympus application mode IFD 2 Makernote metadata. | 
| MakerNote_Olympus_CameraModeIFD | 1206 | Olympus camera mode IFD Makernote metadata. | 
| MakerNote_Olympus_CSerieSettings | 1211 | Olympus C-models serie settings IFD Makernote metadata. | 
| MakerNote_Olympus_DebugIFD | 1210 | Olympus debug IFD Makernote metadata. | 
| MakerNote_Olympus_HardwareIFD | 1205 | Olympus hardware IFD Makernote metadata. | 
| MakerNote_Olympus_ImageProcessorIFD | 1209 | Olympus image processor IFD Makernote metadata. | 
| MJ2 | 28 | Reserved for future use. | 
| MODCA | 7 | MODCA metadata. | 
| MSP | 9 | MSP metadata. | 
| NCR | 34 | NCR metadata. | 
| PBM | 10 | PBM metadata. | 
| PCD | 11 | PhotoCD metadata. | 
| PCX | 12 | PCX metadata. | 
| PDF | 13 | PDF metadata. | 
| PhotoshopAdditionalLayerInfo | 1128 | Photoshop Additional LayerInfo metadata. | 
| PhotoshopLayerInfo | 1126 | Photoshop Layer Info metadata. | 
| PhotoshopLayerMaskInfo | 1127 | Photoshop Layer MaskI nfo metadata. | 
| PhotoshopResourceGeneric | 1120 | Photoshop Resource Generic metadata. | 
| PhotoshopResources | 1121 | Photoshop Resources metadata. | 
| PhotoshopVersionInfo | 1125 | Photoshop Version Info metadata. | 
| PNG | 14 | PNG metadata. | 
| PS | 15 | PostScript metadata. | 
| PSB | 65 | PSB metadata. | 
| PSD | 16 | PSD metadata. | 
| PTOCA | 8 | PTOCA metadata. | 
| RAS | 38 | RAS metadata. | 
| RAWFileFormat | 6000 |  RAW File Format Metadata. | 
| Rectangle | 1150 | Photoshop Rectangle Info metadata. | 
| ResolutionInfo | 1122 | Photoshop Resolution Info metadata. | 
| SCI | 17 | Scitex CT metadata. | 
| SGI | 18 | SGI metadata. | 
| TGA | 19 | TGA metadata. | 
| ThumbnailInfo | 1123 | Photoshop Thumbnail Info metadata. | 
| TIF | 20 | TIFF metadata. | 
| UNKNOWN | 0 | Unknown metadata. | 
| WBMP | 40 | Wireless Bitmap metadata. | 
| WPG | 39 | WPG metadata. | 
| XBM | 43 | XBM metadata. | 
| XMP | 3000 | XMP Metadata. | 
| XPM | 44 | XPM metadata. | 
| XPS | 63 | XPS metadata. | 
| XWD | 41 | XWD metadata. |