How to speed up or slow down a video

Speed up the slow part, slow down the moment that matters. One slider for a steady speed, a ramp for a change the viewer can see.

Steps

Open the video and pick the part
Open the editor and drop the video, or press "Choose a file". To change only part of it, put the playhead where that part starts and press S (or "Split"), then do the same where it ends. Click the piece you want to change.
Set the speed
In the clip settings, open the "Audio" tab, then "Time and sound". Drag "Speed" anywhere from 0.25× to 4×: 2× plays twice as fast, 0.5× half as fast. The clip gets shorter or longer on the timeline to match, and "Length" at the top of the settings changes with it.
Listen to the sound
The sound changes speed with the picture, so its pitch moves too: voices go higher when sped up and deeper when slowed down. If that does not suit the clip, turn its "Volume" down on the same tab.
Or ramp the speed
For a change you can see, like slow motion easing into normal speed, open the "Video" tab, then "Speed", and turn on "Speed ramp". Set "From" and "To". The change happens at the start of the clip, over its first second (less on a clip under three seconds), and the clip carries on at the "To" speed. To start the ramp later, split the clip there first.
Export
Press "Export", pick MP4 and a resolution, and the file downloads when it is done. On the free plan exports go up to 1080p and 3 minutes, without a watermark.

A ramp changes the picture only; the sound keeps the clip’s steady "Speed". Use ramps where the sound does not matter, or turn the clip’s "Volume" down.
Slowing down makes the video longer. The free plan exports up to 3 minutes, so check the length before you export.

Steps last checked against the editor: October 13, 2026