Recursively resize images from one directory tree to another?
IrfanView has a nice batch processing tool built in to it. You can achieve exactly what you asked for with it.
- Start
Batch Conversion/Rename(press B) - Tick
Use advanced options (for bulk resize...)and click on theAdvancedbutton - Select what you need under
RESIZEand tick the checkbox next toCreate subfolders in destination folder(sectionMISCALLANEOUS) - Select the output directory
- Tick
Include subdirectoriesand add the input directory Start Batch