BMP Tags
There really isn't much meta information in a BMP file as such, just a bit
of image related information.
| 
| Index1 | Tag Name | Writable | Values / Notes | 
|---|
 
| 0 | BMPVersion | no | (this is actually the size of the BMP header, but used to determine the BMP
version) 40 = Windows V3
 68 = AVI BMP structure?
 108 = Windows V4
 124 = Windows V5
 |  
| 4 | ImageWidth | no |  |  
| 8 | ImageHeight | no |  |  
| 12 | Planes | no |  |  
| 14 | BitDepth | no |  |  
| 16 | Compression | no | 
  | 0 = None 1 = 8-Bit RLE
 2 = 4-Bit RLE
 |  | 3 = Bitfields 4 = JPEG
 5 = PNG
 | 
 |  
| 20 | ImageLength | no |  |  
| 24 | PixelsPerMeterX | no |  |  
| 28 | PixelsPerMeterY | no |  |  
| 32 | NumColors | no |  |  
| 36 | NumImportantColors | no |  |  
| 40 | RedMask | no |  |  
| 44 | GreenMask | no |  |  
| 48 | BlueMask | no |  |  
| 52 | AlphaMask | no |  |  
| 56 | ColorSpace | no | 
  | 0 = Calibrated RGB 1 = Device RGB
 2 = Device CMYK
 'LINK' = Linked Color Profile
 'MBED' = Embedded Color Profile
 'Win ' = Windows Color Space
 'sRGB' = sRGB
 | 
 |  
| 60 | RedEndpoint | no |  |  
| 72 | GreenEndpoint | no |  |  
| 84 | BlueEndpoint | no |  |  
| 96 | GammaRed | no |  |  
| 100 | GammaGreen | no |  |  
| 104 | GammaBlue | no |  |  
| 108 | RenderingIntent | no | 1 = Graphic (LCS_GM_BUSINESS) 2 = Proof (LCS_GM_GRAPHICS)
 4 = Picture (LCS_GM_IMAGES)
 8 = Absolute Colorimetric (LCS_GM_ABS_COLORIMETRIC)
 |  
| 112 | ProfileDataOffset | no |  |  
| 116 | ProfileSize | no |  |  | 
Information extracted from OS/2-format BMP images.
| 
| Index1 | Tag Name | Writable | Values / Notes | 
|---|
 
| 0 | BMPVersion | no | (again, the header size is used to determine the BMP version) 12 = OS/2 V1
 64 = OS/2 V2
 |  
| 4 | ImageWidth | no |  |  
| 6 | ImageHeight | no |  |  
| 8 | Planes | no |  |  
| 10 | BitDepth | no |  |  | 
Extra information extracted from some BMP images.
| 
| Tag Name | Writable | Values / Notes | 
|---|
 
| EmbeddedJPG | no |  |  
| EmbeddedPNG | no |  |  
| ICC_Profile | - | --> ICC_Profile Tags |  
| LinkedProfileName | no |  |  | 
(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Dec 7, 2016
<-- ExifTool Tag Names