HEIC vs JPG: Which Photo Format Should You Use?

If you own an iPhone, every photo you take is probably saved as a HEIC file — and the first time you try to open one on Windows, upload it to a web form, or send it to a client, you discover the catch: half the world still cannot read it. This guide explains what HEIC actually is, how it compares to JPG in quality and size, and when converting makes sense.

What is HEIC?

HEIC (High Efficiency Image Container) is Apple’s implementation of the HEIF standard, built on the same compression technology as the H.265/HEVC video codec. Apple made it the default camera format in iOS 11 because it stores the same visual quality as JPG in roughly half the file size. A 12-megapixel photo that would be 3–4 MB as a JPG is often 1.5–2 MB as HEIC.

HEIC also supports features JPG never had: 16-bit color, auxiliary depth maps (used for Portrait mode), live photos, and multiple images in one container.

What JPG still does better

JPG’s superpower is not quality — it is universality. The format has been around since 1992, and every browser, operating system, photo frame, government upload portal, printing kiosk and email client on Earth can open it. HEIC support is still patchy:

• Windows needs a paid HEVC codec extension for native viewing in many versions.
• Older Android phones and many smart TVs cannot open HEIC at all.
• Web upload forms (job applications, visa portals, marketplaces) frequently reject it.
• Photo printing services often ask for JPG or PNG.

Quality and size: a fair comparison

Factor	HEIC	JPG
File size at equal quality	~50% smaller	Baseline
Maximum color depth	16-bit	8-bit
Transparency	Yes	No
Compatibility	Apple + modern software	Effectively universal
Editing support	Growing	Universal

For storage on your own iPhone or Mac, HEIC is strictly better — you keep more photos in the same space with no visible quality loss. The problems only start when the photo needs to leave the Apple ecosystem.

When should you convert HEIC to JPG?

Convert when the photo needs to travel: emailing to someone on Windows or Android, uploading to a website that rejects HEIC, importing into older editing software, or printing at a shop. Keep the HEIC original if you can — it is your highest-quality, smallest master copy.

You can convert without installing anything using our free HEIC to JPG converter. It runs entirely in your browser, so your photos are never uploaded to a server — drag in a batch of HEIC files, choose the JPG quality, and download. For other formats (PNG, WebP, AVIF and more), the full Image Converter handles batch conversion, resizing and light editing in the same private, in-browser way.

Can you stop your iPhone using HEIC?

Yes. Go to Settings → Camera → Formats and switch from “High Efficiency” to “Most Compatible” — new photos will save as JPG. The trade-off is that your photos will take roughly twice the storage. A middle path many people use: leave HEIC on for capture, and enable Settings → Photos → Transfer to Mac or PC → Automatic, which converts to JPG on transfer.

Which format wins?

There is no single winner — they solve different problems:

• Choose HEIC for storage on Apple devices: smaller files, richer color, no visible downside inside the ecosystem.
• Choose JPG the moment a photo needs to be shared, uploaded, printed or opened on unknown hardware.

If you want a deeper dive into how JPG, PNG, WebP and AVIF compare for web use, our guide on choosing the right image format covers compression mechanics, browser support and a full decision framework. And for background on the HEIC format itself, see what is HEIC and how to open it.

Bottom line: keep HEIC as your private master format, convert to JPG at the edge — and use a converter that doesn’t upload your personal photos anywhere to do it.