Convert MP4 to AVI on Mac
Convert MP4 files to AVI format on your Mac with Jollycat. The most widely supported video format. Container for H.264/H.265 video with AAC audio. Works on every device. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
MP4 vs AVI
| Property | MP4 | AVI |
|---|---|---|
| Type | container | container |
| Compression | H.264/H.265 + AAC | Various codecs |
| Container | Yes | Yes |
| Common Codecs | H.264, H.265, AAC, MP3 | DivX, Xvid, MJPEG, H.264 |
| File Extension | .mp4 | .avi |
| Key Advantage | Universal device compatibility | Wide legacy support |
How to Convert MP4 to AVI on Mac
Open your MP4 file
Drag and drop your .mp4 file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Choose AVI as output
Select AVI from the conversion options. Adjust quality settings, bitrate, or resolution if needed.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert MP4 to AVI
AVI advantages
Wide legacy support. Simple container format.
MP4 limitations
Patent-encumbered codecs. Not ideal for editing.
Common use cases
Legacy video files, Security camera footage, Old video collections.
MP4 to AVI Conversion Tips
Use Jollycat's trim and crop tools to edit your video before converting. This saves time by only processing the parts you need.
For sharing online, AVI with H.264 codec provides the best balance of quality and compatibility.
AVI uses interleaved audio and video streams. Older files often use DivX/Xvid codecs.
Frequently Asked Questions
Is the MP4 to AVI conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert MP4 to AVI and use all 1,650+ conversion paths with no limits.
Does converting MP4 to AVI require an internet connection?
No. Jollycat processes everything locally on your Mac. Your MP4 files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple MP4 files to AVI?
Yes. Drag multiple MP4 files onto Jollycat and convert them all to AVI at once. Batch processing is built in.
Ready to Convert MP4 to AVI?
Jollycat handles MP4 to AVI conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac