raster format

What is a .MIFF file?

MIFF (Magick Image File Format) is ImageMagick's native format, preserving full image data and metadata between processing steps.

Full name
Magick Image File Format
Developed by
ImageMagick
Released
1991
Extension
.miff
MIME type
image/miff
Transparency
Varies

How to open a MIFF file

MIFF opens in ImageMagick and GraphicsMagick; convert to PNG/TIFF to view in normal editors.

What MIFF files are used for

Photos & web images

Share, post and embed pictures across sites and apps.

Editing & design

Work with the format in editors like Photoshop and GIMP.

Storage & archiving

Keep memories and assets in a widely-readable form.

Strengths & limitations

✔ Strengths✖ Limitations
Purpose-built for its nicheNo transparency support
Limited support — may need converting

Need more than a conversion?

Remove the background from MIFF images, upscale to 4K, or generate new visuals with SharkFoto AI.

Frequently asked questions

MIFF (Magick Image File Format) is ImageMagick's native format, preserving full image data and metadata between processing steps.

MIFF opens in ImageMagick and GraphicsMagick; convert to PNG/TIFF to view in normal editors.

MIFF is optimised for its specific use rather than strictly lossless storage.

Use SharkFoto's free tools — upload your MIFF file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.

No — MIFF doesn't store transparency; convert to PNG or WEBP if you need it.