Apps with 'Supports loads of file formats' feature
VLC is a free and open source cross-platform multimedia player and framework. Owned by the non-profit organization VideoLAN.
Code combines the streamlined UI of a modern editor with rich code assistance and navigation, and an integrated debugging experience – without the need for a full IDE.
FileOptimizer is an advanced file optimizer featuring a lossless file size reduction.
Noesis is a tool for previewing and converting between hundreds of model, image, and animation formats.