From Contenta Software:
Contenta Converter will convert and process your photos in batch. Optimize photos for internet, batch rename and organize in subfolders. It is a practical tool to prepare email attachments. It is optimized for multi-core processors and uses native code when performance matters. Visualize final quality and size is under control. Supports read or write common formats (JPG, GIF, PNG, TIFF, BMP, WBMP, TARGA (TGA), PPM, PGM, PBM, XPM, ICO), read less common formats (CUT, G3, DDS, IFF, JNG, KOA, MNG, PCD, PCX, RAS, SGI). It features batch conversion, share photos online in one click, reduce sizes for computer screens, web publishing, iPod, and PSP, automatically rename to meaningful names and organize in meaningful subfolders using metadata, apply effects (convert Black and White, Sepia, Boost colors, Boost contrasts, Blur, Sharpen, Refocus, Hot Pixels denoising), and batch tagging of IPTC/XMP metadata.
What's new in this version:
Version 6.3 adds support for Windows 8.1.