How to Compress a Video Online with 3 Easy Steps?

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Step 1: Add Video Files

Add the video files you want to compress from computer, devices or network disk.

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Step 2: Compress Video Online Free

Choose compress settings to reduce video size and click COMPRESS to compress video online.

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Step 3: Save Compressed Video

Download the compressed video files or save to Dropbox or Google Drive.

Compress MP4 | Compress MOV | Compress WEBM | Compress 3GP | Compress MKV | Compress WMV | Compress AVI

Why Choose Online UniConverter to Compress Video?

Easy to Use, Convenient to Share

You can compress video online via a web browser without any software download and installation, Windows, Mac, and Linux are all supported.
Save the compressed video to Dropbox and share on YouTube, Facebook, Instagram, etc.

Any Input Resolutions & Formats

You can compress video online free in any resolution including 4K, 1080p, 720p, 480p, 360p, 240p, and other non-standard options. Video formats like MP4, MOV, AVI, MKV, WMV can be compressed online.

Smart Output Settings

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

No Watermark Added, No File Limits

Compress video size without any watermark added, you can shrink video file size 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 files.
All the uploaded and compressed files are automatically removed from our serves after a few hours.

Many Output Resolutions & Formats

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

People Also Ask About Online Video Compressor

  • 1. How do I reduce file size of MP4 online free?

    You're enabled to compress a MP4 video file with Online UniConverter (Originally Media.io) with easy 3 steps.
    1. Add your MP4 file to the online MP4 compressor by clickiing the Choose Files button or select uploading from Google Drive/Dropbox. 2. Choose the target preset like resolution and shrink rate from 30% to 100% and click Compress button to start video compression. 3. Download the compressed MP4 file to local computer or Google Drive/Dropbox. If you want to compress MP4 files without internet speed limitation, you can try the desktop file compressor. Now compress MP4 files offline with the best desktop tool here.

  • As for online file compressor, there is no double that Online UniConverter (Originally Media.io) is one of the best video compressors. It can compress video, audio, image files easily without ads and sign-up. Concerning desktop solution, Wondershare UniConverter is the best video compressor without quality loss.

  • You only need to find a right online video compressor like Online UniConverter (Originally Media.io), it can compress a video file online with hassle-free steps. When you choose the online compressor, it's important to find an ad-free site without virus.

  • Generally speaking, a video file size is decided by video length, frame rate, bitrate, resolution. With Online UniConverter, we can smartly adjust bitrate and frame rate by resetting the compression rate. You can set the resolution in terms of your needs. For a perfect-quality video, you can also consider choosing lossless compression format. Besides, if you have unwanted part of the video, you can use the free online video editor of UniConverter to trim it.