video tool

Change Video Speed Online

Speed up or slow down a video.

1 Choose a file

2 Pick output

3 Convert

Supported input formats

mp4movmkvwebm

Output: MP4Processed on your device

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How to use it

Choose your file, adjust the settings when available, start processing, then save the finished file from this page.

Private by default

Your file is processed in your browser and is not uploaded to our servers.

Free and Premium limits

Free limit: 700 MB per file on desktop and 200 MB on mobile. Premium raises eligible file-size limits while its license is active.

Tool FAQ

Questions about Change Video Speed

Does Video Speed Changer upload my file?

Your file is processed in your browser and is not uploaded to our servers.

Which formats does Video Speed Changer support?

Video Speed Changer accepts MP4, MOV, MKV, WEBM and outputs MP4.

What are the free limits?

Free limit: 700 MB per file on desktop and 200 MB on mobile. Premium raises eligible file-size limits while its license is active.