Why iPhones Use HEIC Instead of JPG (And What It Means for You)

If you've ever looked at the photos on your iPhone and wondered why they're in some strange format called HEIC instead of the familiar JPG, you're not alone. Here's the story behind Apple's switch and what it actually means for you as a user.

The Short Answer

Apple switched to HEIC because it stores the same quality photo in about half the space. That means you can take twice as many photos before running out of storage. That's it. That's the main reason.

A Bit of History

JPG (or JPEG, if you want to be technical) has been the standard photo format since the early 1990s. It's remarkable technology that served us well for decades, but it's starting to show its age. In 2017, with iOS 11, Apple adopted HEIC as the default format. The timing made sense — iPhone cameras were getting better (meaning larger files), and users were taking more photos than ever.

The Benefits for iPhone Users

Storage Savings

The most obvious benefit is storage. A 4MB JPG photo becomes roughly a 2MB HEIC photo at the same quality. Over thousands of photos, that adds up to gigabytes of saved space.

Better Quality at Smaller Sizes

HEIC uses more efficient compression algorithms. At the same file size, a HEIC image will look better than a JPG. This is especially noticeable in areas with subtle gradients or fine details.

Live Photos and Burst Mode

HEIC handles sequences of images (like Live Photos and burst shots) more efficiently than JPG, bundling multiple images into a single container file.

The Drawbacks

Compatibility

The biggest downside is compatibility. HEIC doesn't have the universal support that JPG enjoys. Windows users, Android users, and older devices might not be able to open HEIC files without additional software or conversion.

Editing Support

While most modern photo editing software supports HEIC, older versions don't. If you're using legacy software, you'll need to convert first.

What This Means for You

If you're all-in on Apple devices and never need to share photos with anyone outside that ecosystem, HEIC is great. Stay with it and enjoy the storage savings. If you regularly share photos with friends, family, or colleagues who use different devices, you'll want to convert to JPG (or another widely supported format) before sharing. Our HEIC to JPG converter makes this painless — just drag, drop, and share.

The Bottom Line

Apple's move to HEIC was the right call for storage efficiency. The format is technically superior to JPG in almost every way. Compatibility is the only real downside, and tools like ours make that a non-issue.