Krush: Free Bitcrusher VST Plugin with Built-in Drive and Filters

Krush is a free bitcrusher plugin that adds digital crunch and lo-fi character to your sounds. It combines classic bitcrushing and downsampling with a warm drive stage and resonant filters. The built-in modulation section lets you animate any parameter for extra movement. Perfect for everything from subtle degradation to extreme digital destruction.
Works on both Mac and Windows as VST, VST3, AU, and AAX. The interface is clean and resizable, with presets included. If you need more features, check out its big brother KrushPro.