How to Convert HEIC Photos to JPEG (A Simple Guide)
iPhone photos in HEIC format won't open on Windows or most web platforms. Here's the quickest way to convert them to universally compatible JPEG.
Since iOS 11, iPhones have shot photos in HEIC (High Efficiency Image Container) format by default. HEIC files are roughly half the size of equivalent JPEGs at the same quality — great for your phone's storage, but a problem when you try to open them on Windows, share them on most websites, or attach them to an email that goes to a non-Apple user.
HEIC is Apple's implementation of the HEIF standard, using HEVC (H.265) compression. Windows 10 and 11 require a paid codec pack to open HEIC files natively. Most web browsers, CMSes, and image editors don't support it at all.
Why HEIC Causes Problems
- ●Windows Photo Viewer and most Windows apps cannot open HEIC without a codec
- ●Web browsers don't support HEIC uploads — most social platforms reject the format
- ●Google Drive previews HEIC but cannot edit or export it natively
- ●WordPress and most CMS platforms block HEIC uploads
- ●Email clients on Windows and Android display HEIC as an attachment, not an inline image
Option 1: Change iPhone Camera Settings (Prevent the Problem)
To stop your iPhone from shooting HEIC in the first place: Settings → Camera → Formats → Most Compatible. This switches to JPEG for all future photos. Already-saved HEIC photos are not affected.
Option 2: Convert Existing HEIC Files to JPEG
For HEIC files you already have, the fastest approach is to use an online converter. The challenge is that most online converters upload your photos to a server — fine for holiday snaps, but a concern for anything private.
- 1.On iPhone: go to Settings → Photos → Transfer to Mac or PC → Automatic. This converts to JPEG when you transfer via cable.
- 2.On Mac: open the HEIC file in Preview → File → Export → choose JPEG format.
- 3.Online converter: drag the HEIC file into a converter tool. Note that most online tools upload your file to their server.
HEIC vs. JPEG vs. WebP: Which Is Best for Web?
| Format | Web support | File size | Best for |
|---|---|---|---|
| JPEG | Universal | Baseline | Photos for any platform |
| WebP | 97% browsers | 25–35% smaller than JPEG | Web images — best default |
| HEIC | Apple only | ~50% smaller than JPEG | iPhone local storage only |
| PNG | Universal | Larger than JPEG | Screenshots, graphics, transparency |
If you're converting HEIC for web use, consider converting to WebP instead of JPEG — WebP gives you similar file size savings to HEIC but with near-universal browser support. Convert images to WebP here — no upload required.
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