This is the hidden gem. Version 4.4.1021 includes a "Compression Ratio" algorithm that predicts the output file size. Need to fit a 4GB movie onto a 2GB FAT32 drive? Input the target size (2000 MB), and the converter automatically adjusts bitrate and resolution to hit that exact number. This is rare in free-tier portable apps.
Choose your desired format from the profile list and adjust settings like quality, volume, or aspect ratio (adding letterboxes if needed). i--- Ultra Video Converter 4.4.1021 -Portable-