Kiln

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Speed up or slow down a video

Speed up a long screen recording, turn a clip into a time-lapse, or slow down a moment with Speed/Duration.

Change video speed No sign-up. Files never leave your device.

How to speed up a video

  1. Click Change video speed, import your clip with File › Import (Ctrl/Cmd+I) and drag it onto the timeline.
  2. Right-click the clip and choose Speed/Duration….
  3. Enter a Speed (200% is twice as fast, 50% is half speed) or a target Duration. Tick Ripple Edit, Shifting Trailing Clips to close the gap.
  4. Press Ctrl/Cmd+M (File › Export › Export), choose H.264 in an MP4, and click Export.

Tips

  • For smooth slow motion, shoot at a high frame rate (60 or 120 fps) and slow it to 50% or 25% in a 30 fps sequence.

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