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.