MP4 to AVI
Free MP4 to AVI converter online. Convert MP4 video files to AVI format for broad compatibility instantly. No signup, no software needed. Convert up to 1GB free.
Drop your file here, or browse
Accepts: video/mp4, .mp4 · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .MP4 file and we'll convert it to .AVI format — fast, free, and secure.
Fast & Free
Convert files up to 1GB completely free. No account, no limits.
Secure
Files are encrypted and automatically deleted after conversion.
High Quality
Industry-leading conversion with no quality loss.
How to Convert MP4 to AVI
Upload Your File
Click the upload area above or drag and drop your .MP4 file. We support files up to 1GB, completely free.
Choose Output Format
Select .AVI as your target format. Adjust any conversion settings if needed.
Download Your File
Click Convert Now and wait a few seconds. Once complete, download your converted file instantly.
About MP4 to AVI
FluidConvert's MP4 to AVI tool lets you convert .MP4 files to .AVI format quickly and easily, right in your browser. No software installation required — just upload your file, click convert, and download the result.
Our converter uses cloud-based processing to ensure fast, high-quality conversions. Your files are encrypted during transfer and automatically deleted from our servers after conversion, so your data stays private and secure.
Whether you're converting files for work, school, or personal use, FluidConvert handles it all — 100% free. Convert files up to 1GB with unlimited conversions, no account and no cost.
Frequently Asked Questions
Is the MP4 to AVI free?
Yes! FluidConvert lets you convert .MP4 files to .AVI completely free, with no account required. You can convert files up to 1GB with unlimited conversions — always free.
How long does it take to convert MP4 to AVI?
Most files are converted in just a few seconds. Larger files may take a bit longer depending on file size. Our cloud servers handle the processing so your computer stays fast.
Do I need to install any software?
No. FluidConvert works entirely in your browser. Just upload your file, choose the output format, and download the result. Works on Windows, Mac, Linux, and mobile devices.
Is my file safe and private?
Absolutely. All files are encrypted during transfer using TLS. Your files are processed on secure servers and automatically deleted after conversion. We never access, share, or store your files.
What is the maximum file size I can convert?
You can convert files up to 1GB each, completely free with unlimited conversions. No account or payment required.