Convert TIFF to ICNS on Mac
Convert TIFF files to ICNS format on your Mac with Jollycat. Professional image format supporting lossless compression, 16-bit color, layers, and multi-page documents. Standard in print and scanning. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
TIFF vs ICNS
| Property | TIFF | ICNS |
|---|---|---|
| Type | lossless | lossless |
| Compression | LZW/ZIP lossless or uncompressed | PNG or JPEG 2000 embedded |
| Transparency | Yes | Yes |
| Animation | No | No |
| Bit Depth | 8/16/32-bit | 8/32-bit |
| File Extension | .tif | .icns |
| Key Advantage | Lossless with high bit depth | macOS standard icon format |
How to Convert TIFF to ICNS on Mac
Open your TIFF file
Drag and drop your .tiff 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 TIFF to ICNS
ICNS advantages
macOS standard icon format. Retina display support.
TIFF limitations
Very large file sizes. Not suitable for web.
Common use cases
macOS app icons, Dock icons, macOS development.
TIFF to ICNS Conversion Tips
ICNS bundles multiple image sizes from 16x16 to 1024x1024 for standard and Retina displays.
Frequently Asked Questions
Is the TIFF to ICNS conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert TIFF to ICNS and use all 1,650+ conversion paths with no limits.
Does converting TIFF to ICNS require an internet connection?
No. Jollycat processes everything locally on your Mac. Your TIFF files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple TIFF files to ICNS?
Yes. Drag multiple TIFF files onto Jollycat and convert them all to ICNS at once. Batch processing is built in.
Ready to Convert TIFF to ICNS?
Jollycat handles TIFF to ICNS conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac