CompressO

CompressO (pronounced like 'Espresso') is a free, open-source, cross-platform video compression tool built on the powerful FFmpeg engine. It makes video compression as simple and efficient as brewing coffee—quickly, reliably, and without losing quality. Reduce your video file sizes dramatically while preserving high visual fidelity, all through an intuitive interface that works seamlessly on Windows, macOS, and Linux. Perfect for content creators, developers, and everyday users who need to save space or share videos faster online.