AVI Compressor – Online & Free

  1. Upload your file.
  2. Select the compression option.
  3. Click the Compress button.

  • Convert

  • Compress

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Download AVI Compressor for Free
Download AVI Compressor for Free
Download AVI Compressor for Free

  • Convert

  • Compress

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Compress AVI files online for free

AVI, short for Audio Video Interleave, is a classic multimedia container from Microsoft that stores video and audio together and supports a wide range of codecs. Its broad compatibility made it a long-time standard on Windows for recordings, clips, and archived footage. The downside is that AVI files – especially uncompressed or lightly compressed ones – can become very large and quickly eat up disk space.

When an AVI file is too bulky to share or store, the Movavi compressor lets you compress AVI online without installing anything. It’s free, runs entirely in your current browser tab, and works in three simple steps: upload your video, choose your settings, and download. You can reduce AVI file size for email, cloud storage, media servers, or uploads. This free AVI compressor keeps the picture sharp while cutting the size dramatically, and it handles long or high-resolution footage with ease. With control over bitrate, Movavi acts as a dependable AVI size reducer online that lets you shrink an AVI file without losing the detail that makes it worth keeping.

How to reduce AVI size with our online compressor

Add your file to the tool

Click Add Your Media and choose the video for compressing. Remember that your file shouldn’t be larger than 500 MB.

Choose the compressing option

Select the level of compression according to your needs.

Save the compressed file

Choose an export option in the appeared window and save your video.

Reasons to use the online AVI compressor from Movavi

Beginner-friendly

You don’t have to be a video-editing pro – the compression process is as simple as possible.

Guaranteed security

Your files are safe and secure with us – no third parties have access to them.

Online tool

Work right in your browser – no additional desktop programs or plug-ins needed.

Helpful interface

Our AVI size reducer has an interface so simple and understandable that you’ll learn how to use it in seconds.

Different compression levels

You can choose from 3 compression options depending on what you want to get: a better quality or a smaller output file.

Free saving

Choose from different export options: save your AVI file for free with a watermark or select another variant.

What is an AVI file?

Full name

Audio Video Interleave

Format type

Video

Developed by

Microsoft

Description

Multimedia container that stores video and audio together

File extension

.avi

Technical details

Supports many codecs (DivX, Xvid, and more); can be uncompressed, resulting in large files

Associated programs

VLC, Windows Media Player, MPC-HC

Frequently asked questions

Why are AVI files so large?

AVI often stores video with little or no compression, so it preserves quality at the cost of big file sizes – which is exactly why compressing them helps.

Will compressing AVI hurt the video quality?

You control resolution and bitrate, so you set the trade-off. Light to moderate compression usually keeps the footage looking great.

Can I compress AVI without converting it to another format?

Yes, Movavi can shrink the file while keeping it as AVI, though you can also convert if a smaller-friendly format suits you better.

Is the Movavi AVI compressor free?

Yes. It works in your browser at no cost, with no installation required.

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