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HEIC Photos — Why They Won't Open and How to Fix It
You just transferred photos from your iPhone to a Windows PC, or tried to upload them to a website, and suddenly nothing opens them. The files have a .heic extension and your computer acts like they don't exist. If this sounds familiar, you've run into one of the most frustrating format incompatibility issues of modern smartphones.
What is HEIC and Why Does Apple Use It?
HEIC stands for High Efficiency Image Container — it's Apple's implementation of the HEIF (High Efficiency Image Format) standard, which was developed by the MPEG group. Apple switched to HEIC as the default iPhone photo format in 2017 with iOS 11 and the iPhone 7.
The reason Apple switched is genuinely compelling: HEIC photos are about half the file size of JPG at the same visual quality. A photo that would be 4MB as a JPG might be 2MB as a HEIC. For a phone with thousands of photos, that difference adds up to gigabytes of storage saved. The downside is that the rest of the world hasn't caught up yet — Windows, Android, most websites, and most social platforms don't support HEIC natively.
Where HEIC Photos Cause Problems
- Windows PC — Windows doesn't open HEIC without installing Microsoft's paid HEIF extension (which costs money) or third-party software
- Android phones — Android's native gallery apps cannot display HEIC photos sent from iPhones
- Social media — Facebook, Instagram, and Twitter often reject HEIC uploads or silently convert them with quality loss
- Email clients — Older email clients and webmail may not display HEIC attachments inline
- Printing services — Most online print shops and photo kiosks only accept JPG or PNG
- E-commerce listings — Amazon, eBay, and Etsy product photo uploads typically require JPG
💡 iPhone tip: You can stop your iPhone from taking HEIC photos by going to Settings → Camera → Formats → Most Compatible. This switches the camera to JPG. However, converting existing HEIC photos still requires a tool like this one.
Does Converting HEIC to JPG Lose Quality?
At 90% quality (our default), the difference is essentially invisible. Both HEIC and JPG are lossy formats — they both discard some image data to reduce file size. When you convert HEIC to JPG at high quality, the output looks virtually identical to the original on any screen. The JPG file will be slightly larger than the original HEIC, but will open on every device everywhere.