Website: http://www.acutesystems.com/free.htmBatch convert and resize image files.
Features:
Convert between image formats.
Convert from jpeg, gif, png, psd, tiff, bmp, pcd, JPEG-XR (wdp, hdp, jxr), webp and many raw formats.
Convert to jpeg, gif, png, tiff, bmp and JPEG-XR (wdp).
Select compression level, quality and other output options.
Recompress image files to make them smaller.
Resize, flip and rotate photos and images.
Drag and drop support.
Just drop files or folders onto the ABIP window to convert.
Automatically searches for selected image file types.
Portable - no setup or install to run.
System Requirements: Any version of Windows 10, 8, 7, Vista or XP.
Download: http://www.acutesystems.com/free/abip.zip