Video Compressor

AI Supported

Reduce large video size without losing too much quality by adopting AI technology.

Download App to enjoy more features without limits!

Compress Video in 3 Simple Steps

1Upload the file that you wish to reduce its size to this compressor.

2Adjust the file size and other parameters to the ideal values.

3Save the compressed file to your computer.

How to Compress Video
Compress Video

Compress Large Videos with Maximum Video Quality

Aiseesoft Free Video Compressor Online 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.

Support Various Video Formats and Resolutions

This free video compressor works with a wide range of video formats, such as MP4, AVI, FLV, MOV, 3GP, WMV, RMVB, MTS, TS, 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.

Supported Video Formats
Adjust Video Settings

Adjust Video Size, Resolution and Bitrate Intelligently

Aiseesoft Free Video Compressor Online 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 or 3GP.

Full of Great Features

Aiseesoft Video Compressor not only helps you reduce file size online at a fast speed, but provides the best services for you to enjoy the compression freely. Here are some highlights about this video reducer.

  • Multi-platforms


    It is compatible with multiple commonly-used browsers like Chrome and Firefox.

  • Easy to Use

    Easy to Use

    The operation is easy and you can quickly share the video with your friends..

  • Web-based Tool

    Web-based Tool

    The whole compression is in browsers. No need to install software packages.

  • No Ads

    No Ads

    There will be zero annoying ads when you compress a video with our tool.

  • No Watermark

    No Watermark

    After compression, there will be no watermark added to the output video.

  • Privacy Protected

    Privacy Protected

    After compression, all videos will be deleted from the server automatically.

Limit Free Trial Version Logged-in Account Pro Version

File expiration dates

-- 7 days No limit

File number

2 files/24 hours 10 files/24 hours No limit

File size

<50 MB <100 MB No limit

Supported formats

12 for output 12 for output 1000+

Resolution options

5 5 10

Compress Video

Compress Audio

Trim video

Support 8K/4K

Ultrafast speed


Frequently Asked Questions About Video Compressor

What Our Users Say

  • Bentley



    I have captured many large video files which take a large amount on my computer disk. I used this free tool to compress them to smaller size. My computer storage is greatly freed up.

  • Harris



    The interface is intuitive and it is easy to use. I selected the compression ration as 60%. There is hardly no difference between the compressed video and the original one.

  • Aria



    The whole compression only takes me 10 seconds. Surprisingly, there is no watermark applied to the compressed video. Highly recommend this free video compressor to my friends.

  • Chloe



    My video is in large size and it takes times to upload and transfer. So I used this free video compressor to compress it from 1GB to 100MB. It makes the uploading more easier.

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Video Compressor

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