What Is a HEIC File?
HEIC is the photo format your iPhone uses by default. Learn what it is, why it is efficient, and how to open it on other devices.
HEIC is Apple efficient photo format that stores high quality photos at about half the size of JPG, but many devices cannot open it. That makes conversion the usual next step.
How it works
The short answer
HEIC is the photo format iPhones use by default. It stores high quality photos at roughly half the size of JPG, but it is not supported everywhere, so it often needs converting to share. It belongs to the HEIF family of modern, efficient image containers.
How HEIC works
HEIC is built on the same modern compression tech as AVIF, which lets it pack more quality into fewer bytes than JPG. That is why your iPhone photos take up less space while still looking sharp. The savings matter most on a phone that stores thousands of photos.
The compatibility problem
HEIC is supported by Apple devices and many recent phones, but older computers, browsers and some apps cannot open it. That is why people search for HEIC to JPG conversion so often. The file opens fine on Apple hardware but can fail elsewhere.
When to convert HEIC
Convert a HEIC to JPG when you need to send it to someone, upload it to a site, or open it in older software. Convert to PNG when you need transparency, or to WebP for a modern web format. Choose the target by where the photo is going.
HEIC vs JPG
At the same quality, HEIC is about half the size of JPG, which is why phones adopt it for storage. JPG is supported everywhere, so it remains the format for sharing. The tradeoff is efficiency against compatibility.
Keep the original
If you plan to edit the photo, keep the original HEIC or export to a lossless format. Converting to JPG discards detail, so save the high quality source first and convert a copy for sharing.
Format comparison
| Format | Compression | Transparency | Browser support | Best for |
|---|---|---|---|---|
| HEIC.heic | Lossy (discards some detail) | No | n/a | High-efficiency photos from iPhones and modern cameras |
| JPG.jpg | Lossy (discards some detail) | No | All browsers and devices | Photographs and images with smooth color gradients |
Frequently asked questions
Why are my iPhone photos HEIC?
iPhones default to HEIC because it stores photos at about half the size of JPG with the same quality, saving space on the phone.
How do I open a HEIC file?
Open it on Apple devices or convert it to JPG with the HEIC to JPG converter, which works in any browser and on any device.
Is HEIC better than JPG?
HEIC is smaller for the same quality, but JPG is supported far more widely. Convert to JPG when you need to share the photo.
Does HEIC support transparency?
The HEIF container can support transparency, but it is rarely used that way. PNG is the practical choice for transparent images.