Why Choose Online UniConverter Video Speed Changer

easy to use

Change Video Speed Online

Online UniConverter can help you to speed up or slow down videos fully online in a few simple clicks. No need to download any additional tool.

any input format

Various Video Speeds

Online UniConverter provides you with various common speeds to make your video faster or slower in an instant. No need to wait.

customize output settings

Video Fast and Slow Motion Editor

Online UniConverter is very easy to learn how to make fast and slow motion videos without complex steps.

easy to use

All Video Formats Supported

Online UniConverter can be compatible with a large number of video formats, namely MP4, MOV, WMV, MKV, AVI, and so on.

any input format

Privacy Guarantee

Online UniConverter will keep your information secure, and the uploaded videos will be deleted from the server after 24 hours.

customize output settings

Free Additional Features

Online UniConverter can not only help you set video speed, but also mute the voice in the video if you need. More importantly, it can change output formats free of charge.

Plans for Changing Video Speed Online

Choose your right plan to remove all limitations.

Free Registered Plan

10 times Each Day

Maximum Size: 100MB / Each time

Normal Speed


Premium Plan

Unlimited Times

Maximum Size: 500MB / Each time

10x Faster Speed

From $2.95/month

Q&A about Changing Video Speed