Downloads and version archive
Every Prismatic program is free for personal and commercial use.
Archived installers are not available for download right now: the 2009-2011 builds are not code-signed, and we will not republish them until they have been verified. Version details and system requirements are kept below.
PhotoBatch 2.0.91SetupPB.exe · 3.1 MBInstaller without the manual. The PDF manual (5.6 MB) is available separately.
About the program DupDetector 3 (archive)SetupDD3.zip · ZIPThe version 3 installer, packed as a ZIP archive.
About the program System requirements
Built for older machines, so on modern hardware they barely register.
- Windows 95, 98, ME, NT4, 2000, XP, Vista, 7
- 486 processor, Pentium recommended
- 32 MB of RAM
- Display with thousands or millions of colors
Verifying builds0 / 8
Running classic builds on Windows 10 and 11
Every Prismatic program was written for Windows 95 through 7. They are small and still useful; three settings help them on a current system.
Right-click the installerChoose Properties → Compatibility and tick “Run this program in compatibility mode for Windows XP (Service Pack 3).”
Install outside Program FilesA folder like C:\Tools\Prismatic avoids write-permission prompts for settings and logs.
Work on copiesPoint the program at a copy of your photos the first time, until the script does exactly what you expect.
While you wait for the installer
The blog covers techniques that work in any program, from finding duplicates to organizing folders.