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Video Compressor and Converter
Reduce short videos with clear quality, size and compatibility controls.
This tool processes selected files in your browser.
Accepted: video/mp4, video/webm, .mp4, .webm, .mov. Desktop cap 250 MiB per file.
How it works
- Choose a short MP4 or WebM clip.
- Pick a preset, max height, and container.
- Process re-encodes. The download is a new file, not a renamed original.
Clips stay in this tab. No upload.
Target size is approximate. LUFS loudness is not used.
Supported inputs and outputs
MP4/WebM in and out. Local ffmpeg single-thread pack.
Example
A 2s 320×240 clip at max height 240 is a valid re-encoded MP4 or WebM.
Questions and answers
Is the source copied as compressed?
No. The tool re-encodes or it errors.
Related: Video Cutter and JoinerVideo and Audio Media Inspector