Photoshop CC 2017 JPEG Compression
Adobe Photoshop CC provides 13 levels of compression when saving to JPEG (Joint Photographic Experts Group) under File-Save As...
macOS 10.13.1 Beta (17B25c)
Photoshop CC 2017.1.1
sRGB .ICC
Low 0-4
Medium 5-7
High 8-9
Maximum 10-12
All files saved as Baseline
I cannot see a difference from the original when exporting to Quality 8 and above when viewed on a 32" 4K Monitor 3 feet away.
Original File: 3840x2160 17MB TIFF
Quality vs. Size
Quality 0 Size 423 KB
Quality 1 Size 480 KB
Quality 2 Size 648 KB
Quality 3 Size 729 KB
Quality 4 Size 882 KB
Quality 5 Size 1.1 MB
Quality 6 Size 1.5 MB
Quality 7 Size 1.5 MB
Quality 8 Size 2.1 MB
Quality 9 Size 2.9 MB
Quality 10 Size 4.1 MB
Quality 11 Size 6 MB
Quality 12 Size 9.7 MB
For comparison:
Non Compressed PNG.png 24.9 MB
Compressed PNG.png 13.8 MB
Photoshop.psd 18.1 MB
macOS 10.13.1 Beta (17B25c)
Photoshop CC 2017.1.1
sRGB .ICC
