Convert AVIF to JPEG 2000 on Mac
Select the AVIF files in Finder, press ⌥ F, choose JPEG 2000 and press Return. FileFlip saves each JPEG 2000 next to its original and works without an internet connection.
How to convert AVIF to JPEG 2000 with FileFlip
Select the AVIF files
In Finder or on the Desktop. One file, or a whole folder with ⌘ A.
Press ⌥ F
FileFlip opens next to the selection and lists the formats it can make from AVIF. Type “JPEG 2000” to jump to it.
Choose JPEG 2000 and press Return
The JPEG 2000 files appear next to the originals with the same names. The AVIF files stay as they are.
AVIF and JPEG 2000
AVIF is still new, so plenty of apps and upload forms can’t open it. Some archives and professional imaging systems ask for JPEG 2000.
What changes when you convert
- JPEG 2000 can store the image either lossy or lossless.
| Property | AVIF | JPEG 2000 |
|---|---|---|
| Full name | AV1 Image File Format | JPEG 2000 |
| Made by | Alliance for Open Media | Joint Photographic Experts Group |
| Introduced | 2019 | 2000 |
| Compression | Lossy or lossless (AV1) | Lossy or lossless (wavelet) |
| Transparency | Yes | Yes |
| Best for | Small, high-quality images on the web | Archiving and professional imaging |
| Opens in | Current versions of Chrome, Firefox and Safari; macOS 13 and later; many apps can’t open it yet | Preview and professional imaging tools; most browsers and many apps don’t open it |
| File extension | .avif | .jp2 |
| In FileFlip | Opens and saves | Opens and saves |
Other ways on a Mac
For one file now and then you may not need FileFlip. These work with what’s already on your Mac.
Preview
Open the AVIF in Preview, choose File → Export, pick JPEG-2000 from the Format menu and click Save. For several files, open them together, select all thumbnails in the sidebar and choose File → Export Selected Images.
Good for a few files now and then.
Terminal
The sips command converts images in place or into a new file.
sips -s format jp2 image.avif \
--out image.jp2Built into macOS and good for scripts. Run sips --formats to see what your macOS version can read and write.
Questions about AVIF and JPEG 2000
Does converting AVIF to JPEG 2000 lose quality?
JPEG 2000 can store the image either lossy or lossless.
Can I convert many AVIF files at once?
Yes. Select them all in Finder, press ⌥ F and choose JPEG 2000. Progress moves to the menu bar, so you can close the panel and keep working.
Where is the JPEG 2000 file saved?
Next to the original, with the same name and the .jp2 extension. The AVIF file isn’t changed. In Settings you can choose a different folder instead.
Can I convert JPEG 2000 back to AVIF?
Yes, FileFlip converts JPEG 2000 to AVIF as well.
Are my files uploaded anywhere?
No. FileFlip converts files on your Mac and works with the internet turned off.
Convert a whole folder of images at once
FileFlip also handles video, audio, PDFs, documents and data files. Requires macOS 14 Sonoma or later.
Coming soon for Mac