Change Video Speed
Adjust playback speed from 0.25× up to 4× with pitch-preserving audio.
Select a file for Change Video Speed
Drag & drop your files here, or click to browse
- Video timing is changed with setpts; audio tempo uses the atempo filter, which keeps the original pitch.
How to use Change Video Speed
From upload to download in 3 steps.
- 1
Add your file
Choose or drag a MP4, MOV, WEBM, MKV and AVI file into the upload area (up to 1 GB each).
- 2
Adjust the settings
Optionally change the speed, audio and video quality — the defaults work well for most files.
- 3
Process and download
Click Process, follow the progress, and download the result. Files are deleted from the server automatically afterwards.
Supported formats and settings
- Input formats
- MP4MOVWEBMMKVAVI
- Output formats
- MP4
- Limits
- Up to 1 GB per file
- One file per job
- Files are deleted automatically after processing
- Speed
- 0.25×, 0.5×, 0.75×, 1.25×, 1.5×, 2× and 2 more
- Audio
- Keep (pitch-corrected tempo) and Remove audio
- Video Quality
- High (larger file), Balanced (recommended) and Small file
Why use our Change Video Speed?
Genuine Processing
Real conversions by proven engines — never renamed copies or fake results.
Private by Design
Files are deleted automatically after processing and never used for training.
Free to Use
No account, no subscription and no watermarks on your files.
Frequently Asked Questions
Which file formats does Change Video Speed support?
Change Video Speed accepts MP4, MOV, WEBM, MKV and AVI files. It produces MP4.
Is there a file size limit?
Each file can be up to 1 GB. Larger files take longer to upload and process.
What happens to my files?
Files are uploaded only when you start processing. They are stored under random names in a private temporary folder, processed, and deleted automatically shortly afterwards — the exact time is shown with your result — or immediately when you click “Delete files now”. Files are never shared or used for training.
How does Change Video Speed work, and what are its limitations?
Video timing is changed with setpts; audio tempo uses the atempo filter, which keeps the original pitch.
Is Change Video Speed free to use?
Yes. Change Video Speed is free, needs no account, and does not add watermarks to your files.
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Tools that work with the same formats as Change Video Speed
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Mute Video
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