HEIC File: what it is and when you need to convert it

HEIC, HEIF, and HEVC in simple terms

HEIF is the broader image-file format. HEIC is a common HEIF-based file type used for HEVC-compressed images. HEVC is the compression technology, not the file extension itself.

You do not need to know those details to use the photo. The practical question is whether the app or website you need can open HEIC.

For the terminology, see HEIC vs HEIF.

What can be stored inside HEIC?

A HEIC file can contain one image or multiple related images, along with metadata such as image information or EXIF when that data is present.

Most people encounter HEIC as an ordinary photo from a phone or camera, even though the format can hold more than a simple single-image file.

Why HEIC is used for photos

HEIC is designed to store high-quality images efficiently, which is one reason it is used on modern devices. Actual file size and visual quality still depend on the source image and the settings used to create the file.

The main downside is compatibility: some older apps, websites, and workflows expect JPG instead.

For the format trade-offs, compare HEIC vs JPEG.

Where HEIC comes from

You may get HEIC from a phone camera, a photo library, a file transfer, or someone who sent you the original image. iPhones can use HEIF/HEIC when the camera is set to High Efficiency.

If only some of your photos are HEIC, the difference may come from capture settings, the app that created the file, or what happened during transfer.

Learn more about why photos are saved as HEIC.

What should you do with HEIC?

• If it opens where you need it, you can keep and use the original.
• If you only need to look at it, use a HEIC Viewer.
• If a website or app needs JPEG, create a JPG copy.
• Use PNG, PDF, or another output only when that format fits the task.

For device-specific help, see Windows, Mac and Android.

Keep it or convert it?

There is nothing inherently wrong with a HEIC file. Keep the original when your apps support it; convert a copy when compatibility is the problem.