What is HEIC?
High Efficiency Image Container (.heic / .heif). A common camera output format (especially Apple devices) with efficient compression.
Last updated: 2026-03-18
HEIC (High Efficiency Image Container, .heic / .heif) is a image format that uses both compression. A common camera output format (especially Apple devices) with efficient compression. It supports transparency. It supports animation. Common uses include photos from phones, camera exports.
Quick facts
Extension
.heic / .heif
Type
Image format
Compression
both
Transparency
Yes
Animation
Yes
MIME type
image/heic
Common uses
- photos from phones
- camera exports
Delivery notes
- Usually convert to JPEG/WebP/AVIF for browser delivery.
- Treat HEIC as a source format, not a delivery format.
What to do with optimo
npx optimo photo.heic
Related conversions
More image formats
Frequently asked questions
- What is HEIC?
- High Efficiency Image Container (.heic / .heif) is a image format. A common camera output format (especially Apple devices) with efficient compression. It uses both compression, supports transparency and animation.
- What is HEIC used for?
- HEIC is commonly used for: photos from phones, camera exports.
- How do I optimize HEIC files?
- Run "npx optimo photo.heic" in your terminal. Optimo applies format-specific compression to reduce HEIC file size while preserving quality.