How to Compress MP4 Online With 3 Easy Steps?

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Step 1: Upload MP4 Files

Add MP4 video you want to compress.

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Step 2: Set the Compressed Parameter

Customize MP4 settings and press
COMPRESS button to compress MP4 online.

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Step 3: Save the Compressed File

Download the compressed MP4 file or save to Dropbox.

Why Choose Online UniConverter to Reduce MP4 File Size?

Easy to Use, Convenient to Share

Online UniConverter (originally Media.io) helps to compress MP4 free online easily, which works via a web browser on Windows, Mac, and Linux systems without any downloading. It can save MP4 file to Dropbox for sharing on Facebook, YouTube, Instagram and other devices.

Any Input Resolutions & Formats

You can compress MP4 online free in any resolution including 4K, 1080p, 720p, 480p, 360p, 240p, and other non-standard options.

Smart Output Settings

Smart MP4 compressor to compress MP4 online with one click, further customization like video resolution, output size, and format are also available.

No Watermark Added, No File Limits

Compress MP4 without any watermark added, you can resize MP4 file one by one without quantity limit after sign up.

Privacy Security

Online UniConverter (originally Media.io) is a secure HTTPS (SSL) connection website, so you can securely upload your MP4 files. All the uploaded and compressed MP4 files are automatically removed from our serves after a few hours.

Many Output Resolutions & Formats

Online UniConverter (originally Media.io) can compress MP4 by changing video resolution and format. Resolution like 1080p, 720p, 480p, 360p, 240p, and 144p are supported, and available video formats including AVI, MKV, MPG, WMV, MOV, M4V, 3GP, FLV and WebM.

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