QTFastStart is a convenient tool for optimizing H.264 videos for smooth playback in Flash Player. Simple and effective.

Emily Johnson

QTFastStart is a game changer! It makes streaming videos so much smoother. Highly recommended!

Alice Johnson

I love QTFastStart! It's simple to use and really improves video playback performance. Five stars!

Mark Thompson

This app is fantastic! It optimizes my videos for better streaming. I can't imagine working without it.

Samantha Lee

QTFastStart does exactly what it promises. Fast, efficient, and open source—what's not to love?

Ryan Garcia

Absolutely amazing app! My video files are now ready for progressive download in no time.

Emma Brown

Five stars for QTFastStart! It has made my video editing workflow so much easier and faster!

David Kim