Convert JPEG to AVIF on Mac
Convert JPEG files to AVIF format on your Mac with Jollycat. The most widely used image format on the web and in digital photography. Uses lossy compression for small file sizes. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
JPEG vs AVIF
| Property | JPEG | AVIF |
|---|---|---|
| Type | lossy | both |
| Compression | DCT-based lossy | AV1-based lossy/lossless |
| Transparency | No | Yes |
| Animation | No | Yes |
| Bit Depth | 8-bit | 8/10/12-bit |
| File Extension | .jpg | .avif |
| Key Advantage | Universal compatibility across all devices | Best compression ratio available |
How to Convert JPEG to AVIF on Mac
Open your JPG file
Drag and drop your .jpg file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Select AVIF format
Pick AVIF 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 JPEG to AVIF
AVIF advantages
Best compression ratio available. HDR and wide color gamut.
JPEG limitations
Lossy compression degrades quality. No transparency support.
Common use cases
Next-gen web images, HDR photography, Bandwidth optimization.
JPEG to AVIF Conversion Tips
AVIF supports transparency. If your source image has a solid background, you can remove it with an image editor before converting.
AVIF uses AV1 intra-frame coding, typically 20% smaller than WebP and 50% smaller than JPEG.
Frequently Asked Questions
Is the JPEG to AVIF conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert JPEG to AVIF and use all 1,650+ conversion paths with no limits.
Does converting JPEG to AVIF require an internet connection?
No. Jollycat processes everything locally on your Mac. Your JPEG files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple JPEG files to AVIF?
Yes. Drag multiple JPEG files onto Jollycat and convert them all to AVIF at once. Batch processing is built in.
Ready to Convert JPEG to AVIF?
Jollycat handles JPEG to AVIF conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac