Control video file size
Choose a file and segment, select MP4 or WebM and a bitrate, then compare output size and quality.
Compress Video
Compress video to MP4 or WebM on your device. Choose bitrate and a segment, then review picture and sound before downloading.
Example and supported scope
Example: try compressing a 30-second demo clip at 1 Mbps. Output is not guaranteed to be smaller.
50 MB input; 120 seconds; input pixel area up to 1920×1080. Output fits within 1280×720 at 30 FPS. Requires browser codec support. Extra tracks, subtitles and metadata are not retained.
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Synthetic example files
Try synthetic test data before selecting your own file.