If you take photos with an iPhone, you've surely hit this problem: the photo looks great, but it won't open on a Windows PC, and people can't even see a thumbnail when you send it over WeChat. The culprit is HEIC (HEIF), the format iPhones use by default — Windows and many web platforms simply aren't compatible with it.
The fix is simple: convert HEIC to JPG. After that, the image opens and works normally on any device and any platform.
What Is HEIC?
HEIC (High Efficiency Image File Format) is Apple's efficient image format, with these main traits:
- Small file size — about 50% smaller than JPG on average, saving a lot of iPhone storage
- High quality — better quality than JPG at the same file size
- Poor compatibility — Windows, some Android devices, and many web platforms can't open it by default. That's its biggest downside.
HEIC vs JPG
| Comparison | HEIC | JPG |
|---|---|---|
| Compatibility | Poor; many platforms unsupported | Great; nearly everything supports it |
| File size | Small (saves ~50%) | Larger |
| Quality | Higher at the same size | Standard |
| Best for | Storing on Apple devices | Cross-platform sharing and uploads |
How to Convert HEIC to JPG with PixelForge
Open the PixelForge format converter:
Step 1: Upload your HEIC images. Batch upload is supported, so you can convert several at once.
Step 2: Choose the output format. Select JPG. The tool also supports PNG, WebP, and other formats.
Step 3: Start converting. Click convert and it's done in seconds.
Step 4: Download. Once finished, download all your JPG images as a package. Batch conversion means you can handle many photos in one go.
Conversion Tips
- Convert in bulk — iPhones can hold hundreds of photos, so a batch converter lets you process them all at once instead of one by one
- Watch the file size — converting HEIC to JPG usually makes files larger. If you're uploading to a platform with a size limit, compress afterward
- Keep the original — back up your original HEIC files before converting, in case you need to reprocess them later
Summary
HEIC is Apple's efficient format, but it's poorly supported across platforms. Use an online converter to turn HEIC into JPG with batch processing and no installation — then it works everywhere, on Windows, WeChat, and the web.