✳ FREE, NO UPLOAD
Change video speed
Speeds up or slows down both the picture and the audio together, so pitch and sync stay natural.
Batch is free and unlimited - files are processed one after another on your device, with no queue or daily cap. Maximum 100 MB per file; the first run loads a ~30 MB engine once per visit.
Koldflux can pace your clips automatically to hit a target duration.
Automate this in Koldflux