Video Speed Changer

Upload a video, choose a slower or faster playback speed, and download an MP4 without a watermark. Convertr keeps the source dimensions and accepts videos up to 1 GB.

Change video speed online

MP4, MOV, WebM, MKV, AVI, M4V, FLV, WMV, MPEG, and 3GP files are accepted up to 1 GB.

Choose a video or drop it here

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Related media tools

Video Trimmer Cut a clip before changing playback speed. Video Compressor Reduce file size after exporting a faster or slower video. Video to GIF Maker Create an animated GIF from a sped-up or slowed-down segment. Extract Frames From Video Save still images from selected timestamps. Extract Audio From Video Download the audio track from a video file. Video Merger Join clips before exporting the final video. Video Converter Convert MP4, MOV, WebM, MKV, AVI, and more. MP4 to MP4 Rebuild or re-encode MP4 video files.

Frequently asked questions

Is this video speed changer free?

Yes. You can speed up or slow down videos for free, without signup, software installation, paid APIs, or a watermark.

Will changing speed reduce resolution?

No. Convertr preserves the source dimensions and uses a high-quality re-encode because speed changes require new video timestamps.

Can I mute the audio?

Yes. Use the mute-audio option when you only need a visual time-lapse or slow-motion video. Otherwise, Convertr adjusts audio tempo with ffmpeg.

What is the maximum upload size?

The upload limit is 1 GB, matching the rest of Convertr. Full-resolution videos are supported when the file is within that limit.