HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
Ralpha Image Resizer - High-speed image batch conversion tool
321Soft Video Converter for Mac - 321Soft Mac Video Converter allows you to easily download, convert and edit video, HD video, 4K video, audio on Mac OS X.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Freemake Video Converter - Freemake Video Converter Converts 500+ Formats & Gadgets FREE! Convert to MP4, AVI, MKV, WMV, DVD, Xvid. FREE Download. **Voted Best of 2018** Comes with FREE…
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.