Video Speed Changer
Speed up or slow down videos completely offline in your browser
No Upload
100% Private
Free
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Speed Settings
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Speed-Changed Videos
Why Use Our Video Speed Changer?
Slow Motion
Create cinematic slow motion at 0.25x or 0.5x speed.
Time Lapse
Speed up footage to 2x, 3x or 4x for time-lapse effects.
Audio Sync
Audio pitch and timing are adjusted to match the new speed.
Frequently Asked Questions
What speed options are available?
You can speed up videos to 0.25x, 0.5x, 1.5x, 2x, 3x, or 4x speed.
Does changing speed affect audio?
Yes, audio pitch and speed are adjusted together. For speeds beyond 2x, atempo filters are chained to maintain audio quality.
Can I create slow motion effects?
Yes, select 0.25x or 0.5x speed for slow motion. This works best with high frame rate source videos.