Finally, a File Converter Your IT Department Will Approve.

90% Browser-Based
No upload needed
Max privacy
EU Servers Only
Made in Austria
GDPR compliant
Auto-Deletion
Files deleted in 5 min
Zero retention
AVI
MP4

Convert AVI to MP4

Loading converter...

What is AVI?

AVI

AVI is a video format. AVI is a classic video format developed by Microsoft. Widely supported but produces larger file sizes than modern formats.

  • Category: video
  • MIME Type: video/x-msvideo
  • AVI is a classic video format developed by Microsoft. Widely supported but produces larger file sizes than modern formats.

What is MP4?

MPEG-4 Video

MP4 is a digital multimedia container format that can store video, audio, subtitles, and images. It uses advanced compression codecs like H.264 or H.265 for video and AAC for audio, providing excellent quality at relatively small file sizes. It's the most widely supported video format across devices and platforms.

  • Efficient compression (H.264/H.265)
  • Supports multiple audio/subtitle tracks
  • Streaming-friendly
  • Universal device compatibility
  • Metadata and chapter support

Why Convert AVI to MP4?

Platform Compatibility

Convert to formats supported by your target platform or device

File Size Reduction

Compress videos for easier uploading and sharing

Quality Balance

Optimize compression settings for your quality needs

Editing Workflow

Use formats compatible with your video editing software

⚠️ Important: Converting AVI to MP4 changes the file format while preserving content. Results depend on format compatibility and content type.

How to Convert AVI to MP4

  1. Click the "Start Converting Now" button above
  2. Upload your AVI file or drag & drop it
  3. Select MP4 as the output format (pre-selected for you)
  4. Click "Convert" and download your MP4 file

Features

  • 100% Free Conversion
  • No Registration Required
  • Fast Processing
  • Cross-Platform Compatible
  • Secure Server Processing
  • Auto-Delete After 5 Minutes
  • Batch Processing Available
  • Mobile Friendly

Frequently Asked Questions

How much smaller will my MP4 file be?

Typically 70-90% smaller than AVI. The exact reduction depends on content and quality settings. For example, a 50MB AVI file might become 5-10MB as MP4. Higher quality settings create larger files but better preserve the original.

Can I convert multiple AVI files at once?

Yes! Free users can convert up to 3 files per batch (5 conversions/day total). Premium users get batch conversion of up to 20 files with automatic ZIP download. Simply select multiple files when uploading.

Is my data safe during conversion?

Yes! Files are processed on GDPR-compliant European servers with automatic deletion after 5 minutes. We don't store, analyze, or share your files. The conversion is secure and private.

What are the conversion limits?

Free: 5 conversions per day, max 100MB per file, up to 3 files per batch. Premium: Unlimited conversions, max 500MB per file, up to 20 files per batch with ZIP download.

How long does conversion take?

Most conversions complete in seconds. Small files (under 10MB) typically convert in 1-5 seconds. Larger files or complex formats may take 10-30 seconds. Browser-based conversions are usually faster than server-processed ones.

Do I need to install any software?

No! Everything works directly in your web browser. No downloads, no installations, no plugins required. Just upload your file and convert. Works on Windows, Mac, Linux, and mobile devices.

Ready to Convert?

Start converting your AVI files to MP4 now - it's fast, free, and secure!

↑ Convert AVI to MP4 Now