Why Your iPhone Takes HEIC Photos (And How to Change It)

If you own an iPhone, you might have noticed that the pictures you take are saved with a .heic extension instead of the classic .jpg. While this modern format is highly efficient, it often leads to headache-inducing compatibility issues when you try to transfer those files to a Windows PC or upload them online.

Why did Apple decide to make this change? In this guide, we will explain the technical reasoning behind why your iPhone takes HEIC photos by default, show you how to change your settings to output JPEGs instead, and outline how to manage your photo transfers seamlessly.

1. Why Did Apple Make HEIC the Default?

In 2017, Apple introduced iOS 11 and announced that it was switching the default photo format from JPEG to HEIC. This was not a decision to make your files incompatible with Windows; it was a move to solve a major user problem: **device storage constraints**.

iPhone camera sensors have become incredibly advanced. With features like Smart HDR, Deep Fusion, and 48-megapixel sensors, the amount of data captured per photo is massive. If Apple kept using the old JPEG format, user storage space would fill up twice as fast.

By switching to HEIC, Apple accomplished two major feats:

1. Halved Storage Usage: An HEIC photo takes up approximately 50% less space than a JPEG of the exact same visual quality. For a user with a 128GB phone, this effectively doubles their photo storage capacity.
2. Preserved Next-Gen Camera Data: HEIC allows Apple to bundle 10-bit color data, depth maps (for Portrait Mode adjustments), and multiple exposures (for Live Photos) into a single, compact file.

2. How to Make Your iPhone Take JPEGs Instead

If you work constantly on a Windows PC or upload photos to websites that do not accept HEIC, you can tell your iPhone to shoot in traditional JPEG format instead. This will eliminate compatibility issues, though your photos will take up more storage space on your device.

Step-by-Step Instructions:

1. Open the Settings app on your iPhone or iPad.
2. Scroll down and tap on Camera.
3. At the top of the menu, tap on Formats.
4. You will see two options:
   • High Efficiency: Saves photos as HEIC (default).
   • Most Compatible: Saves photos as standard JPEGs.
5. Tap on Most Compatible to check it.

3. The "Transfer to Mac or PC" Automatic Switch

Apple recognized that Windows PCs do not support HEIC natively. Because of this, they built a hidden converter right into your iPhone's sharing system. This option is called **"Transfer to Mac or PC"**.

To configure how your iPhone behaves when transferring photos via USB cable:

1. Open the Settings app on your iPhone.
2. Scroll down and tap on Photos.
3. Scroll all the way to the bottom to find the Transfer to Mac or PC section.
4. Select between:
   • Automatic: Automatically converts HEIC photos to JPEGs during USB transfer if the destination device doesn't support HEIC natively.
   • Keep Originals: Transfers the raw .heic files without any conversion.

4. The Best of Both Worlds: Keep HEIC, Convert When Needed

Instead of turning off HEIC and losing 50% of your storage space, the smart strategy is to **keep shooting in High Efficiency** and convert files to JPG only when you need to upload or share them.

To do this securely and instantly on your computer, use a local, serverless converter like PlanckConvert. Because PlanckConvert processes all conversions client-side in your browser, you get lightning-fast speeds and 100% privacy without uploading your personal files to the web.

Conclusion

Your iPhone takes HEIC photos because it is the most efficient way to maximize your storage space and capture rich, high-quality camera data. While compatibility remains a hurdle, you now have the tools to control how your device saves and transfers images. Whether you choose to switch your settings to "Most Compatible" or keep shooting in HEIC and convert files as needed, you can now manage your workflow without any formatting headaches.