0.5× for slower playback
Half-speed output doubles the playback time compared with the same source interval, making fast movements or spoken details easier to review.
Slow down or speed up video from 0.5× to 2× while keeping audio synchronized and preserving its pitch.
Drag and drop, paste a file, or browse your device.
One video at a time · MP4 or WebM · up to 240 MB · 4K input · 1080p output · 60 fps
Files are temporary and deleted automatically.
Playback-speed changes alter duration rather than frame dimensions. MimiFile lets you slow down or accelerate supported video from 0.5× to 2× while keeping the audio synchronized and preserving its pitch, which is useful for review, demonstrations, tutorials and timing adjustments.
Half-speed output doubles the playback time compared with the same source interval, making fast movements or spoken details easier to review.
Faster output shortens the viewing time and can be useful for demonstrations, repetitive sequences or content that needs a tighter pace.
The current workflow adjusts audio timing with the video and is designed to preserve pitch rather than simply shifting voices and music higher or lower.
Yes. The current speed tool supports playback changes up to 2×.
Yes. A 0.5× setting plays the selected video at half the original playback speed.
The current workflow is designed to keep audio synchronized while preserving its pitch during the supported speed range.