EXIF tag · ExifIFD

DevelopmentTypeDescription

The DevelopmentTypeDescription tag stored in the ExifIFD directory.

0xa40e
Tag ID (41998 decimal)
ExifIFD
IFD / group
string
Data type
EXIF
Table

What DevelopmentTypeDescription means#

The DevelopmentTypeDescription tag stored in the ExifIFD directory.

Read, write and remove it#

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

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get_ifd(0x8769).get(0xa40e)  # DevelopmentTypeDescription
print(value)

Frequently asked questions#

What is the EXIF tag ID of DevelopmentTypeDescription?

0xa40e (41998 decimal), in the ExifIFD directory.

How do I see DevelopmentTypeDescription in a photo?

Run exiftool -DevelopmentTypeDescription 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