Pick a preset
Start with a balanced preset. If a messenger still rejects the file, move to a smaller target and re-export.
Privacy note
korisa.app compresses with in-browser FFmpeg.wasm so the video stays on your device during processing.
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Reduce MP4 file size for chat apps and uploads with browser-based compression presets.
Start with a balanced preset. If a messenger still rejects the file, move to a smaller target and re-export.
korisa.app compresses with in-browser FFmpeg.wasm so the video stays on your device during processing.