What does Resize Video do?
Change video resolution to 1080p, 720p, 480p or custom dimensions.
Resize Video accepts MP4, WEBM, MOV, MKV, AVI and M4V files, and produces MP4 output.
Your MP4, WEBM, MOV, MKV, AVI and M4V files are processed locally in your browser — they are never uploaded to our servers.
How to use Resize Video
- 1Drag and drop your file onto the upload area, or click “Choose file”.
- 2Adjust the resize video settings to suit your needs.
- 3Click the main action button and wait a moment while it is processed on your device.
- 4Preview the result and download your MP4 file.
Supported formats
- Input
- MP4WEBMMOVMKVAVIM4V
- Output
- MP4
Frequently asked questions
Is Resize Video free?
Yes. Resize Video is completely free with no sign-up and no watermarks.
Are my files uploaded?
Your MP4, WEBM, MOV, MKV, AVI and M4V files are processed locally in your browser — they are never uploaded to our servers.
Is there a file size limit?
Free usage supports files up to 500 MB. Because processing happens on your device, very large files depend on your device's available memory.