HEIC vs JPEG: what is the difference?

HEIC and JPEG are both ways to share a photo, but they make different trade-offs between size, quality, and compatibility.

HEIF is a container; HEIC is a common kind of HEIF image

HEIF is a container format: it can hold one or more images and related image data. “HEIC” usually describes an HEIF image encoded with HEVC. That distinction matters because two files that look similarly named can contain different image features or encodings. A program that reads one HEIF variant may not read every other variant.

Apple introduced HEIF support as part of its High Efficiency media formats; its technical session explains that HEIF can store more than a single still image. Apple’s HEIF overview is useful background when a photo has features beyond an ordinary still image.

Why JPEG remains so common

JPEG is an older, broadly supported still-image format. It uses lossy compression, which means it deliberately discards some image information to make a smaller file. It remains convenient when an app, website, or recipient does not accept HEIC.

HEIC can often store a comparable photo in less space, which is why phones use it. But JPEG’s long history gives it an advantage in compatibility. Choosing JPEG is often about interoperability, not about making an image better.

What conversion changes

Converting a HEIC photo to JPEG creates a new, lossy JPEG rendition. There is no universal quality score that applies to every source or conversion setting. The original HEIC remains unchanged, while the new JPEG is a separate file.

For normal iPhone still photos that this converter can decode, its JPEG output keeps the decoded image dimensions. It does not retain metadata or advanced content such as HDR, depth information, or Live Photo auxiliary data. Use the HEIC to JPG converter when you need a shareable JPEG, and keep the original when those features matter.

Which should you use?

Keep HEIC for original capture and efficient storage when your devices and workflow support it. Create a JPEG when you need a conventional image for an older program, a form, or a recipient. For more detail, read whether conversion reduces image quality and how to open HEIC on Windows.