Drop your video here or click to browse
Supports MP4, WebM, MKV, MOV up to 500MB
How to Change Video Speed
- 1
Upload Your Video File
Drag and drop your video into the upload area or click to browse. The tool accepts MP4, WebM, MKV, and MOV files up to 500MB. - 2
Choose a Speed
Pick a speed preset between 0.25x and 4x. Values above 1x make the video faster; values below 1x create slow motion. The estimated output duration updates instantly. - 3
Change the Speed
Click the Change Speed button. The tool re-renders the video at the new speed in your browser and retimes the audio track to match. - 4
Download the Result
Preview the retimed video and click Download to save it. The output has no watermark and is ready to share.
Common Use Cases
Create Slow-Motion Highlights
Speed Up Tutorials and Timelapses
Fit a Clip to a Time Limit
Match Footage to a Soundtrack
Why use our Video Speed Changer?
The Video Speed Changer is a free browser-based tool that speeds up or slows down a video while keeping the audio in sync. Choose a preset from 0.25x for dramatic slow motion up to 4x for fast timelapses, and the tool re-renders the clip at that speed entirely on your device.
Unlike server-based editors that upload your file, queue it, and watermark the free output, this tool processes everything locally in your browser. Your video never leaves your device, which makes it safe for private footage. There are no signups and no watermark on the result. If you want to retime only part of a clip, trim it first with the Video Trimmer. To change the frame size use the Video Resizer, to crop the frame use the Video Cropper, and to drop the audio entirely use the Mute Video tool.
This tool is ideal for creating slow-motion highlights, compressing long tutorials into quick timelapses, and fitting clips to a platform's time limit. Combined with the other FindUtils media tools, you get a complete browser-based video workflow without installing software.
How It Compares
Most online speed changers require you to upload the file to a remote server, wait in a processing queue, and download a watermarked result. For large files this is slow, and for private recordings it means handing footage to a third party. Tools like Clideo, Kapwing, and Ezgif offer speed controls but cap free usage and add branding.
The FindUtils Video Speed Changer runs entirely in your browser. There is no upload, no queue, and no watermark. The audio is retimed along with the video so the result stays in sync. The trade-off is that the video is re-rendered, so processing time depends on your device and the chosen speed, but for typical clips this is fast and the privacy gain is total.