Convert HEIC to X3F Online — Free
Fast, free HEIC to X3F converter. No registration required.
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
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 .x3f 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 X3F?
X3F is Sigma's proprietary RAW format for cameras using the unique Foveon X3 sensor, which captures all three color layers at every pixel location unlike conventional Bayer sensors.
Format Details
- Full Name
- Sigma/Foveon RAW
- Extension
- .x3f
Key Features
- Foveon X3 sensor
- Full-color pixels
- Sigma cameras
- Unique color capture
HEIC vs X3F
| Feature | HEIC | X3F |
|---|---|---|
| Full Name | High Efficiency Image Container | Sigma/Foveon RAW |
| Extension | .heic | .x3f |
| Best For | Apple native | Foveon X3 sensor |