How much size reduction is achieved?
Typically between 40% to 80% size reduction depending on resolution and preset.
Free Online Video Compressor & MP4 Size Reducer
Compress MP4, MOV, WebM & AVI videos online with High, Low, or Best Quality presets.
Key Features
- Up to 80% File Size Reduction: Dramatically reduces video weight while preserving fluid 30/60 FPS frame rates and clear sound.
- WhatsApp & Email Preset Modes: Target video sizes specifically optimized for messaging apps (under 16MB) and email limits (under 25MB).
- Universal Codec & Container Support: Processes MP4, MOV, WebM, AVI, and MKV files seamlessly with modern H.264/AAC encoding.
- In-Browser Privacy Processing: Transcodes video streams locally via WebAssembly without uploading large video files to external servers.
Frequently Asked Questions
What formats can I compress?
MP4, MOV (QuickTime), WebM, AVI, and MKV video formats are supported.