EXIF tag · ExifIFD

DevelopmentType

[Value 0] [Value 1]

0xa40d
Tag ID (41997 decimal)
ExifIFD
IFD / group
int16u
Data type
EXIF
Table

What DevelopmentType means#

[Value 0] [Value 1]

Defined values#

ValueMeaning
1Accurate Reproduction
2Small Differences
4Extreme Differences
1Factory Default Settings
2Not Default Settings
4Unknown Settings

Read, write and remove it#

# read
exiftool -DevelopmentType photo.jpg
# write
exiftool -DevelopmentType="…" photo.jpg
# remove
exiftool -DevelopmentType= photo.jpg
# all files in a folder, as CSV
exiftool -csv -DevelopmentType -r ./photos > development-type.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get_ifd(0x8769).get(0xa40d)  # DevelopmentType
print(value)

Frequently asked questions#

What is the EXIF tag ID of DevelopmentType?

0xa40d (41997 decimal), in the ExifIFD directory.

How do I see DevelopmentType in a photo?

Run exiftool -DevelopmentType 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