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MP4

MP4 Compressor

Compress MP4 videos using H.264 encoding directly in your browser. Fast, private, and free. Your files never leave your device.

🔒 Videos never leave your device.🎯 Smart Adaptive Mode – per-video bitrate targeting.📦 Bulk: up to 20 files · No file size limit.
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Drag & Drop Videos

MP4 · MOV · WebM · Up to 20 files · No size limit

Live Engine Monitoring

v2.4.0-Stable
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1.2 TB

Bandwidth Saved Today

0.4s

Avg Process Time

99.9%

Compression Fidelity

🔒
Military-Grade Privacy

Auto-purge after 60m. Zero logs. Fully encrypted processing.

Perfect Transparency

Advanced alpha-channel preservation for UI designers.

No Registration

Jump straight into processing without the sign-up friction.

Edge-First Processing

Our global CDN ensures your files are optimized at the server nearest to you, reducing latency by up to 90%.

US
EU
AS
+9
Global Status: Optimal

Knowledge Base

Frequently Asked Questions

How much can I compress an MP4 video?

Typically 50-80% size reduction depending on source quality and settings. Use Max Compression for smallest file size or High Quality for best visual results.

Does compressing MP4 reduce video quality?

Yes, compression reduces quality. Our tool uses CRF encoding which preserves quality in motion-rich scenes better than fixed bitrate compression.

How long does MP4 compression take?

Processing happens in your browser using WebAssembly. A 100MB video typically takes 2-5 minutes. Speed depends on your device and settings chosen.

Is MP4 compression private?

Yes. Files are processed entirely in your browser using FFmpeg.wasm. Nothing is uploaded to any server. Your videos remain completely private.