XnViewMP is a powerful cross-platform media browser, viewer and converter.
- supports more than 500 image formats (including Multipage and animated still formats APNG, TIFF, GIF, ICO, etc..) and export to about 70 different file formats.
- you can browse, organize, and view your images in numerous ways
- allows you to process your images with an arsenal of editing tools
- easy to use powerful batch conversion module.
- Metadata support & Editing (IPTC/XMP)
- JPEG lossless transforms
- Duplicate file finder
- Batch Rename