MediaOptim: Local Mac App for Private, Offline Media Compression Without Subscriptions
By
Agustin Fornio
Day-old at best. Try it dunked in something stronger.
Summary
MediaOptim is a Mac-based media compression tool that processes images, videos, and audio files locally using Apple's native frameworks, ensuring no data is uploaded to servers. It offers batch compression, supports multiple formats (HEIC, WebP, MP4, MOV, MP3, FLAC), allows quality target setting, and works offline without subscriptions.
Key quotes
· 5 pulledMediaOptim compresses images, videos, and audio files directly on your Mac — no uploads, no subscriptions, no privacy risk.
Most compression tools send your files to a server. MediaOptim runs everything locally using native Apple frameworks, so files never leave your device.
Batch compress entire folders
Set quality targets, not just percentages
Works offline, always
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