5+ Ways to Compress AVI Video Files Online for Free (Up to 500MB)

AVI (Audio Video Interleave) is a popular multimedia container format. AVI files contain both video and audio data in the .avi file extension. Well, the AVI format uses less compression to store files. Thus, you can find that AVI files take up more storage space than MPEG and MOV files. That's why you need an AVI video compressor.

In most cases, you can compress AVI video files online for free. Just check the file size limitation of each online AVI compressor. Well, the fast Wi-Fi speed also matters. Now, let's see how to reduce the size of an AVI file online with the following tools.

Compress Avi

Part 1: Compress Large AVI File Online for Free with No File Size Limit (HOT)

Apeaksoft Free Online Video Compressor is 100% safe and free to use. You can compress AVI files online with original quality. No matter how large your AVI file is, you can shrink file size in a short time. Moreover, you can convert AVI to MP4, FLV, AVI and other formats while compressing file size. There is not watermark in your output video. Thus, you do not need to pay to remove watermark from your video file.

Step 1. Visit

Step 2. Click "Add Files to Compress" to access the launcher. The first time you use the online AVI compressor, you need to download launcher first.

Step 3. Browse and add your AVI video file.

Add Avi Video

Step 4. Move the file size slider to reduce AVI video size freely.

Step 5. Change the video resolution and bitrate. Set MP4 as the output video format to convert AVI to MP4 online if necessary.

Step 6. Click "Compress" to start compressing AVI video file online for free with high quality.

Video Converter Ultimate IconApeaksoft Video Converter Ultimate

When you want to compress AVI, FLV, MKV, WMV, MXF, AVCHD, and any video or audio format, you can add Apeaksoft Video Converter Ultimate to your computer and have a try. It is an outstanding video converter and editor for both Windows and Mac users.
Free Download Free Download

4,000,000+ Downloads

Part 2: Compress AVI File Online for Free with YouCompress

Step 1. Visit

Step 2. Click "Select file" to upload an AVI video file to YouCompress.

Step 3. Click "Upload File & Compress" to compress AVI file online and make it smaller.

Then you can easily send the large videos via Email, messages, or other apps.


Part 3: Compress Large AVI File Online with Clideo

It is supported to add your AVI video from desktop, URL, Dropbox or Google Drive. The maximum AVI file size up to 500MB. Thus, you can make your large AVI file smaller with high visual quality.

Step 1. Open .

Step 2. Click "Choose File" to import your AVI video to the online video compressor.

Step 3. Preview the compressed AVI video. If it is OK, you can download the AVI file with a smaller file size.


Part 4: Compress AVI File to Smaller File Size Online with Online Converter

You can free compress AVI files online up to 200MB by using Online Converter. Different from common AVI file converters online, you can see the source video size and desired video size directly.

The output audio quality can be adjusted from 32 kbps to 128 kbps. You can also choose "No Sound" to compress a video with no audio online.

Step 1. Open .

Step 2. Click "Upload File" to upload an AVI video.

Step 3. Specify the desired video size manually if necessary.

Step 4. Change "Audio Quality" from "Auto" to any option.

Step 5. Click "Compress" to compress AVI video to smaller size online.

Online Converter

Part 5: Compress AVI to MP4 Format Online with Clipchamp

Clipchamp is capable to compress large AVI files online without downloading. But you need to sign up its account before the AVI to MP4 compression. Later, you can download and even share the compressed video within Clipchamp.

Step 1. Open Clipchamp Online Video Compressor.

Step 2. Click "Get Started now". You will be required to sign up an account first.

Step 3. Upload your AVI video file.

Step 4. Set the video settings, resolution and output format.

Step 5. Compress AVI to MP4 online. Save or share the video file to your computer.


Part 6: Compress AVI Files for Free Online with Online UniConverter

It is more than a simple online file compressor. You can compress AVI files online in any resolution, such as 4K, 1080p, 720p, 480p, etc. There will be no watermark attached in your video. Thus, you do not need to pay to remove watermark from video .

Step 1. Open .

Step 2. Drag and drop your AVI video file to the main interface.

Step 3. Manage AVI file compression with "Resolution", "Reset Size" and "Format".

Step 4. Click "Compress" to compress AVI for free online.

Online Uniconverter

These are 5+ ways to compress AVI files online for free. You can make your AVI file smaller than before with pretty good audiovisual quality. If your AVI video is 100MB or so, you can use any AVI compressor online mentioned above. As for compressing large AVI files, you can run Apeaksoft Free Online Video Compressor to complete the AVI to MP4 compression. If you want to convert video to audio and apply editing effects, Apeaksoft Video Converter Ultimate can be your smart choice. You can reduce the file size without losing quality too.

More Reading