AVI to MP4
Free AVI to MP4 converter online. Convert AVI video files to MP4 for universal device compatibility instantly. No signup, no software install needed. Up to 1GB free.
Drop your file here, or browse
Accepts: video/x-msvideo, .avi · Max 1GB · always free
Your files are encrypted with TLS and automatically deleted after conversion.
Simply upload your .AVI file and we'll convert it to .MP4 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 AVI to MP4
Upload Your File
Click the upload area above or drag and drop your .AVI file. We support files up to 1GB, completely free.
Choose Output Format
Select .MP4 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 AVI to MP4
FluidConvert's AVI to MP4 tool lets you convert .AVI files to .MP4 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 AVI to MP4 free?
Yes! FluidConvert lets you convert .AVI files to .MP4 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 AVI to MP4?
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.