Guide Guide Guide Guide Guide Guide
Free Online Video CompressorFree Online Video Compressor

1. Add Video File


2. Adjust Output Settings


3. Start Compressing

Free Online Video Compressor Icon

Free Online Video Compressor

  • Compress video online in your browser
  • 12 format options after compression
  • 5 resolution options to choose from
  • Compress videos in batch
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Video Converter Ultimate Icon

Video Converter Ultimate

  • Compress video offline on your desktop
  • Convert the video to 1000+ formats
  • 10 resolution options for you to choose from
  • Rename the video before compression
  • Bountiful editing features
  • Fastest video converting worldover
  • More functions - Metadata editor, GIF maker, 3D maker, Video enhancer, etc.
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Safe100% Clean & Safe


Compress Large Videos with Maximum Video Quality

Aiseesoft Free Online Video Compressor is a powerful video compressor that allows you to reduce large video size to smaller. It achieves the best combination between compression and video quality, so that you can end up with the best video quality while keeping the video size to the minimum as you want. After compressing, it is hard to tell the difference between the original video and the compressed one.

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Compress Video
Supported Video Formats

Support Various Video Formats and Resolutions As Inputs

This free online video compressor works with a wide range of video formats, such as MP4, AVI, FLV, MOV, 3GP, WMV, RMVB, MTS, TS, WebM, etc. There is no limitation to the input video resolutions. No matter your video stays at 240p, 360p, 480p, 720p, 1080p, 4K or other, it can compress the video to a certain size percentage you want. It helps free up your hard disk space for easy sharing, transferring and storage.

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Adjust Video Size, Resolution and Bitrate Intelligently

Aiseesoft Free Online Video Compressor can meet all your demands with the customized video settings. It enables users to adjust video parameters like size, resolution and bitrate. You can move the slider to adjust the video compression ratio and bitrate. There are many output formats you can choose, including MP4, MOV, MKV, AVI, M4V, FLV, WMV, VOB, MPG, 3GP, YouTube or Facebook.

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Adjust Video Settings


Totally Free

100% Free

This online video compressor is 100% free. You can compress your video files as many as possible without costing.

Online Tool

Online Tool

The whole compression is completed in browsers. You don’t have to install the software package or third-party plugins.

Easy to Use

Easy to Use

This free online tool makes it easy to compress your videos and quickly share the video on YouTube or Facebook.

No Watermark

No Watermark

After compression, no watermark will be added to your video. You can shrink your video size one by one without losing quality.

Privacy Protected

Privacy Protected

Your privacy is protected. After compression, all your videos from the server will be deleted automatically.

Fast Compression

Fast Compression

The whole compression only takes a few seconds to complete. Just upload your video, adjust settings, and start compressing.

We Are Highly Trusted

FAQs of Aiseesoft Free Online Video Compressor

1. How can I reduce the size of a MP4 file online?

Click Add Files to Convert button to launch the launcher and add your video file. Select the video size, format, resolution and bitrate as you want. Then click the Compress button to start compressing your video.

2. Is there watermark applied to the compressed video?

No. Aiseesoft Free Online Video Compressor promises you that no watermark will be added to the compressed video. You can compress videos as many as possible.

3. Is Aiseesoft Free Online Video Compressor free to use?

Yes. This video compressor is 100& free to use. No coins will be required during the compression. There is no ads and virus on this free online platform.

4. Can I use this free online video compressor on my Mac?

Yes. This free online video compressor works in all browsers. You can compress your videos on your Mac, Windows, or Linux online. There is no limitation for system or browser.

Aiseesoft Video Converter Ultimate –

Compress, Edit and Enhance Any Large Videos to Smaller Intelligently

Served 12366 Users Worldwide

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