Adapter

What it does

Combine an FFmpeg powered back-end with VLC rendered previews, then add in file size estimation, a gorgeous user interface and make it entirely free. That is Adapter - the ultimate converter app for Mac and PC.

Adapter converts images, audio and video on Mac and Windows. It's a user interface powered by FFmpeg with VLC previews and much more. Get it free for Mac and Windows.

Combine an FFmpeg powered back-end with VLC rendered previews, then add in file size estimation, a gorgeous user interface and make it entirely free. That is Adapter - the ultimate converter app for Mac and PC. Adapter integrates two VLC players side­-by-­side giving you the power to preview any video, audio or image conversions and compare the output to the original. Additionally, Adapter estimates the file size of your conversion output so you know what you'll get before you begin the conversion. Adapter makes batch conversion of a breeze. Simply drop a group of images, songs, or movies into the queue, select your output settings, hit convert - done. Use image batch conversion to set…from macroplant.com

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