Resizing multiple images can be a time-consuming process. Lots of batch resizing tools, however, are badly designed, drastically reduce image quality or simply aren't supported by their manufacturers any more. Multiple Image Resizer .NET (MIR) avoids all of these pitfalls. Here's a quick look at how to use it.
Read the full article: How to resize multiple images (and do much more) using Multiple Image Resizer .NET