HEIC vs JPG: What Every iPhone User Needs to Know
You take a photo on your iPhone, try to upload it somewhere, and the website tells you the file format isn't supported. You check the file extension and it says .heic — something you've never heard of. Your photo isn't broken, but it's not really a JPG either. Let's untangle this.
What HEIC is
HEIC stands for High Efficiency Image Container. It's a modern image format Apple adopted in 2017 (starting with iOS 11) as the default for iPhone photos. The big selling point is file size: HEIC files are typically 50% smaller than the equivalent JPG with the same visual quality. That means more photos on your phone without using more storage.
Why HEIC causes problems
The format is great in theory but limited in practice. Many websites, social media platforms, ad managers, and older software simply don't accept HEIC files. Windows didn't natively support HEIC until Windows 10, and even now you sometimes need a codec install. Older versions of Photoshop, most CMS uploaders, and a lot of email clients still reject it outright.
The result: you take a beautiful photo on your iPhone and then can't actually use it anywhere outside of Apple's own apps without converting it first.
When JPG is better
JPG is the universal language of digital photos. Every platform, every browser, every device handles JPG. If you're sharing photos online, uploading to a website, sending to a non-Apple user, or running ads, JPG is almost always the safer choice. You give up some file-size efficiency, but you gain compatibility everywhere.
How to make your iPhone shoot in JPG
You can change the default capture format on iPhone:
- Open Settings.
- Tap Camera.
- Tap Formats.
- Choose Most Compatible instead of "High Efficiency".
From now on your iPhone will save new photos as JPG. (Existing HEIC photos in your library stay as HEIC.)
How to convert HEIC to JPG for free
You don't need to install software. GitSize converts HEIC files to JPG (or PNG, or WEBP) right in your browser. Drop your file in, pick the platform you want to size it for, choose JPG as the output format, and download. The whole thing takes about ten seconds, your file never leaves your device, and it's free.
Ready to resize? Use GitSize free — no signup, nothing uploaded, your image stays on your device.