Convert AVIF to ICNS on Mac
Convert AVIF files to ICNS format on your Mac with Jollycat. Next-generation image format based on AV1 video codec. Superior compression to JPEG, WebP, and HEIC with HDR support. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
AVIF vs ICNS
| Property | AVIF | ICNS |
|---|---|---|
| Type | both | lossless |
| Compression | AV1-based lossy/lossless | PNG or JPEG 2000 embedded |
| Transparency | Yes | Yes |
| Animation | Yes | No |
| Bit Depth | 8/10/12-bit | 8/32-bit |
| File Extension | .avif | .icns |
| Key Advantage | Best compression ratio available | macOS standard icon format |
How to Convert AVIF to ICNS on Mac
Open your AVIF file
Drag and drop your .avif file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Select ICNS format
Pick ICNS from the list of output formats. Optionally adjust quality, resolution, or compression settings.
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 AVIF to ICNS
ICNS advantages
macOS standard icon format. Retina display support.
AVIF limitations
Slow encoding speed. Limited software support.
Common use cases
macOS app icons, Dock icons, macOS development.
AVIF to ICNS Conversion Tips
ICNS bundles multiple image sizes from 16x16 to 1024x1024 for standard and Retina displays.
Frequently Asked Questions
Is the AVIF to ICNS conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert AVIF to ICNS and use all 1,650+ conversion paths with no limits.
Does converting AVIF to ICNS require an internet connection?
No. Jollycat processes everything locally on your Mac. Your AVIF files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple AVIF files to ICNS?
Yes. Drag multiple AVIF files onto Jollycat and convert them all to ICNS at once. Batch processing is built in.
Ready to Convert AVIF to ICNS?
Jollycat handles AVIF to ICNS conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac