How it works
Complete the job in three clear steps
- Choose a video.
- Set the available options and create a resized MP4.
- Review and download the new file.
Private Lucaden video & audio tool
Resize Video Online
Resize a video to a selected width while preserving its aspect ratio and exporting compatible MP4.
Free to use Your file stays on this device while FFmpeg WebAssembly processes it in temporary browser memory.
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Important
Check the result before relying on it
Keep an untouched copy of important source files. Browser processing depends on available device memory, and you should inspect every downloaded result before deleting the original.
Practical details
What this Lucaden tool does
Resize a video to a selected width while preserving its aspect ratio and exporting compatible MP4.
Lucaden creates a separate output and leaves the original file unchanged.
Included capabilities
- Four output widths
- Aspect ratio preserved
- H.264 and AAC output
- Even-dimension scaling
Useful for
- Reduce presentation dimensions
- Prepare a social upload
- Standardize clips
- Create a smaller preview
Questions
About this tool
Does it crop the video?
No. It changes dimensions while preserving aspect ratio.
Can it enlarge a small video?
Yes, but enlargement cannot create real source detail.
Open-source foundations
Built transparently
Lucaden documents its standards sources, architectural references, and permissive runtime dependencies while keeping this workspace consistent with the Lucaden interface.