is a command-line utility which allows you to optimize multiple JPEGs in a given directory.
The program is command driven, and can be easily called from other programs or scripting languages. It uses MagiCompress to compress all the images on a disk or in a directory.
JPEG Disk Optimizer yields up to 50% more compression than a standard JPEG image, enabling you to speed up Web page loading, and save disk space.
For example, the command: jdo -q 50 -d -s D:\*.jpg will compress all JPEGs on drive D: with quality level 50, and display a summary of the space saved.
JPEG Disk Optimizer runs on
Windows 95/98/Me/NT/2000/Windows 10/11
and is available under the
Shareware
license
— the installer is 276 KB.
We’ve catalogued it under
Graphics Conversion.
✓
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