45mixpress

Compress videos and audio files in seconds — without losing quality.
45mixpress is the fastest and simplest media compression tool for Mac. Drag and drop your files, choose a quality level, and let 45mixpress do the rest. No cloud uploads. No subscriptions required to get started. Everything runs locally on your Mac.
Video Compression
Compress MP4, MOV, AVI, MKV, M4V and more. Reduce file sizes by up to 90% while keeping the quality you care about. Perfect for sharing, archiving, or freeing up disk space.
Audio Compression
Convert and compress MP3, AAC, WAV, FLAC, M4A, OGG, and AIFF. Export to M4A (AAC) with your choice of bitrate — 320 kbps, 128 kbps, or 64 kbps.
Three Quality Modes

Light — Minimal compression, maximum quality
Medium — The perfect balance (free)
Heavy — Maximum compression for the smallest file

Clean, Fast, Private
Your files never leave your Mac. 45mixpress uses Apple's built-in AVFoundation framework for hardware-accelerated compression — fast and battery-friendly.
Free to try. Upgrade when you're ready.
Compress up to 3 files at a time for free. Upgrade to Premium for unlimited batch compression, all quality levels, and full compression history.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/