Convert MP4 to AVI
Free online MP4 to AVI converter — no signup, no watermark
Convert MP4 (MPEG-4 Part 14) files to AVI (Audio Video Interleave) format online for free. Our MP4 to AVI converter runs entirely in your browser — just drag in your file, click convert, and download the result. No software to install, no account required, and your files stay private.
How to convert MP4 to AVI in 4 steps
- 1
Upload your MP4 file
Drag and drop your MP4 file into the converter, or click to browse from your device. We support files up to 2GB.
- 2
Choose AVI as the output format
AVI is pre-selected. Optionally adjust quality, resolution or bitrate if your file needs custom settings.
- 3
Convert MP4 to AVI
Click the convert button. Our converter processes your MP4 file and produces a high-quality AVI output, usually in under a minute.
- 4
Download your AVI file
Once conversion is complete, download your AVI file. Your original MP4 stays untouched and we delete uploaded files within an hour.
Why convert MP4 to AVI?
MP4 is the most widely supported video container format, offering excellent compression with H.264 or H.265 codecs while preserving quality. It works on virtually every device, browser, and platform. AVI is a legacy Microsoft container format that preserves high video quality with minimal compression. It remains popular for archival and Windows-based workflows where compatibility with older software matters. Converting from MP4 to AVI is useful when you need windows-based playback and editing or want to take advantage of high video quality.
Top reasons to switch to AVI
- Windows-based playback and editing
- Archival of high-quality footage
- Legacy software compatibility
MP4 vs AVI: side-by-side
MP4
Pros
- + Universal device and browser support
- + Excellent compression-to-quality ratio
- + Small file sizes
- + Supports subtitles and metadata
Cons
- − Lossy compression by default
- − Can require licensing for some codecs
AVI
Pros
- + High video quality
- + Wide Windows compatibility
- + Simple structure
Cons
- − Very large file sizes
- − Poor support on modern mobile devices
- − No native streaming support
MP4 to AVI — Frequently Asked Questions
Is converting MP4 to AVI free?
Is converting MP4 to AVI free?
Yes, our MP4 to AVI converter is 100% free. There are no hidden fees, no signups required, and no watermarks added to your converted AVI files.
Will I lose quality converting MP4 to AVI?
Will I lose quality converting MP4 to AVI?
Our converter uses high-quality encoding settings to preserve as much of the original MP4 quality as possible in the AVI output. For lossless results, choose the "high quality" preset.
How long does MP4 to AVI conversion take?
How long does MP4 to AVI conversion take?
Most MP4 files convert to AVI in 30 seconds to a few minutes, depending on the file size, duration, and your internet connection. Larger files take longer.
Is it safe to upload my MP4 file?
Is it safe to upload my MP4 file?
Yes. All uploads use encrypted HTTPS connections, files are processed on isolated servers, and converted AVI files are automatically deleted within one hour of conversion.
Can I convert MP4 to AVI on mobile?
Can I convert MP4 to AVI on mobile?
Absolutely. Our MP4 to AVI converter works in any modern browser on iPhone, Android, iPad, Windows, macOS and Linux — no app install required.
What's the maximum file size for MP4 to AVI?
What's the maximum file size for MP4 to AVI?
You can convert MP4 files up to 2GB to AVI for free. For larger files, contact us about our batch and premium options.
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