Custom width
Enter a target width while height is calculated automatically.
VoysumPrivate browser tool
Resize Video
Create a smaller-resolution MP4 for sharing, publishing, or storage.
No uploadNo accountFree to use
✓ Runs locally in your browser
↥Choose or drop a filevideo/mp4, .mp4 · up to 500 MB
🔒 Your media file is never uploaded to Voysum.
Private by default
Useful conversion without giving up your file.
Aspect ratio preserved
Output uses an even height compatible with video codecs.
No server transfer
The entire resize happens locally.
Common questions
Resize Video FAQ
How local browser processing works and what to expect.
Which width should I use?
1280 is suitable for 720p-like output; 854 is a practical smaller option.
Can resizing increase quality?
No. Enlarging resolution cannot create missing visual detail.
Keep working
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Open tool →Turn your audio into a searchable transcript.
Voysum can transcribe the converted recording and create subtitle files.
Transcribe audio