EXIF tag · SubIFD

BestQualityScale

The BestQualityScale tag stored in the SubIFD directory.

0xc65c
Tag ID (50780 decimal)
SubIFD
IFD / group
rational64u!
Data type
EXIF
Table

What BestQualityScale means#

The BestQualityScale tag stored in the SubIFD directory.

Read, write and remove it#

# read
exiftool -BestQualityScale photo.jpg
# write
exiftool -BestQualityScale="…" photo.jpg
# remove
exiftool -BestQualityScale= photo.jpg
# all files in a folder, as CSV
exiftool -csv -BestQualityScale -r ./photos > best-quality-scale.csv

In Python with Pillow:

from PIL import Image
exif = Image.open("photo.jpg").getexif()
value = exif.get(0xc65c)  # BestQualityScale
print(value)

Frequently asked questions#

What is the EXIF tag ID of BestQualityScale?

0xc65c (50780 decimal), in the SubIFD directory.

How do I see BestQualityScale in a photo?

Run exiftool -BestQualityScale 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