Convert HEIC to MEF Online — Free
Fast, free HEIC to MEF converter. No registration required.
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How to Convert
Upload your .heic file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .mef file when it's ready.
What is HEIC?
HEIC is Apple's image format used by iPhones and iPads. It offers better compression than JPG while maintaining high quality, but has limited compatibility.
Format Details
- Full Name
- High Efficiency Image Container
- Extension
- .heic
Key Features
- Apple native
- Better than JPG
- Small file sizes
- HDR support
What is MEF?
MEF is Mamiya's RAW image format used in medium-format digital backs like the Mamiya ZD and 645DF. It stores unprocessed sensor data from large CCD and CMOS sensors for maximum image quality.
Format Details
- Full Name
- Mamiya Raw Format
- Extension
- .mef
Key Features
- Mamiya medium format
- RAW quality
- Full sensor data
- Large sensor
HEIC vs MEF
| Feature | HEIC | MEF |
|---|---|---|
| Full Name | High Efficiency Image Container | Mamiya Raw Format |
| Extension | .heic | .mef |
| Best For | Apple native | Mamiya medium format |