EXIF tag · IFD0

PreviewColorSpace

The PreviewColorSpace tag stored in the IFD0 directory.

0xc71a
Tag ID (50970 decimal)
IFD0
IFD / group
int32u!
Data type
EXIF
Table

What PreviewColorSpace means#

The PreviewColorSpace tag stored in the IFD0 directory.

Defined values#

ValueMeaning
0Unknown
1Gray Gamma 2.2
2sRGB
3Adobe RGB
4ProPhoto RGB

Read, write and remove it#

# read
exiftool -PreviewColorSpace photo.jpg
# write
exiftool -PreviewColorSpace="…" photo.jpg
# remove
exiftool -PreviewColorSpace= photo.jpg
# all files in a folder, as CSV
exiftool -csv -PreviewColorSpace -r ./photos > preview-color-space.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0xc71a)  # PreviewColorSpace
print(value)

Frequently asked questions#

What is the EXIF tag ID of PreviewColorSpace?

0xc71a (50970 decimal), in the IFD0 directory.

How do I see PreviewColorSpace in a photo?

Run exiftool -PreviewColorSpace photo.jpg, or open the file's info panel in Lightroom, Photoshop, Windows (Properties → Details) or macOS Preview (Tools → Show Inspector).

Last updated October 03, 2026 · How we calculate · Sources