AVI files are large and not supported on iPhones, most smart TVs or social media. Converting to MP4 makes your videos universally compatible.
1
Open Fourmeld File Converter
Go to fourmeld.com/files — no login, no signup required.
2
Upload your AVI file
Click Upload and select your AVI file from your device, phone or computer.
3
Select MP4 as output
Choose MP4 from the output format options. Fourmeld detects your file automatically.
4
Download your MP4
Click Convert and download. Ready in seconds — no watermark, full quality.
Tips for best results
- MP4 (H.264) is the most universally supported video format
- AVI to MP4 typically reduces file size by 50-70%
- No quality loss is visible at standard viewing distances
Convert AVI to MP4 Free — No Signup
Instant AVI to MP4 conversion. No watermark, no account needed.
Convert Files Free on Fourmeld →FAQs
Why convert AVI to MP4?
MP4 is supported on all devices — iPhones, Android, smart TVs, YouTube, WhatsApp and more.
Will quality be reduced?
Very minimal — MP4 compression is highly efficient and quality loss is barely noticeable.
Can I convert large AVI files?
Yes — Fourmeld handles large video files.