How to Convert HEIC to JPG

Table of Contents

If you’ve ever tried to upload an iPhone photo to a website, attach it to an email for someone on Windows, or open it in an older piece of software, you may have run into a file that simply won’t open — usually with an unfamiliar “.HEIC” extension. HEIC (High Efficiency Image Container) is Apple’s default photo format since iOS 11, and while it offers real advantages like smaller file sizes at the same quality, it isn’t universally supported the way the classic JPG format is.

The good news is that converting HEIC to JPG is quick and can be done directly on your iPhone, on a Mac or Windows computer, or through free online tools — often without installing anything at all. In this guide, we’ll walk through every practical method for converting HEIC files to JPG, when you should change your camera settings instead of converting after the fact, and how to handle bulk conversions if you have hundreds of photos to deal with. We’ll also cover platform differences and answer common questions about the format.

Step 1: Understand Why iPhone Uses HEIC in the First Place

Before converting anything, it helps to know why this format exists. HEIC files are typically about half the size of an equivalent-quality JPG, meaning your iPhone can store roughly twice as many photos in the same amount of storage. Apple made HEIC the default camera format starting with iOS 11 specifically to help with this storage efficiency, especially as photo resolutions and Live Photos increased file sizes across the board.

The trade-off is compatibility. While Windows 10 and later, most modern Android phones, and current versions of major browsers can open HEIC files without issue, plenty of older software.

Step 2: Change Your Camera Settings to Shoot in JPG Instead

If you’re constantly converting HEIC to JPG after the fact, it may be worth switching your camera format at the source so you never have to convert again.

Open Settings and tap Camera.
Tap Formats.
Under Photo Capture, select Most Compatible instead of High Efficiency.

Keep in mind this doubles your average photo file size, so if storage space is a concern for you, converting existing HEIC files as needed (rather than switching your default format) may be the better trade-off. Note that this setting only affects new photos taken going forward — it does nothing to your existing HEIC library.

Step 3: Convert a Single Photo Using the Share Sheet (No Extra Apps Needed)

For quick, one-off conversions, iPhone has a built-in trick that doesn’t require installing anything.

Open the Photos app and select the HEIC photo you want to convert.
Scroll through the share options and tap Mail, then attach the photo to a new email.
When composing, tap on the attached photo and choose Actual Size, or check the photo size indicator — Mail automatically converts HEIC images to JPG when attaching them for compatibility purposes.
Send the email to yourself, then save the JPG attachment from the received message back to your Photos app.

This method works reliably but is a bit roundabout for converting more than a photo or two. For anything beyond that, the next few methods are faster.

Step 4: Convert Photos Automatically When Transferring to a Computer

If your ultimate goal is getting JPG files onto a Mac or Windows PC, you don’t need to convert on your iPhone at all — both platforms can convert automatically during the transfer itself.

On a Mac:

Connect your iPhone with a cable and open the Photos app on your Mac (or use Image Capture for more direct control).
In Image Capture, select the photos you want to import.
Click the Import To dropdown at the bottom and note that Photos for Mac natively supports HEIC, so no conversion is needed if you’re staying within Apple’s ecosystem — but if you want JPG specifically, use Image Capture instead, since it offers more predictable format handling for direct file transfers.

On Windows:

Connect your iPhone with a cable.
Open Settings > Photos on your iPhone and confirm the Transfer to Mac or PC option is set to Automatic, which tells iOS to convert HEIC photos to JPG automatically whenever they’re copied to a non-Apple device.
On your Windows PC, open File Explorer, navigate to your iPhone under “This PC,” and copy the photos over — they’ll arrive as standard JPG files without any manual conversion step.

Step 5: Change the Universal Transfer Setting for Automatic Conversion

This setting, mentioned briefly above, is worth calling out on its own since it solves the problem system-wide for any transfer method.

Go to Settings and tap Photos.
Select Automatic instead of Keep Originals.

With Automatic selected, any time you transfer photos to a non-Apple device or app that doesn’t support HEIC, iOS converts them to JPG on the fly during the transfer. This is the most convenient long-term fix if you regularly send photos to Windows users or non-Apple software, since it requires no manual conversion step at all going forward.

Step 6: Convert HEIC to JPG on a Mac Using Preview

If you already have HEIC files sitting on your Mac and want to convert them locally without any transfer step, Preview handles this natively.

Open the HEIC file in Preview (right-click the file and choose Open With > Preview if it doesn’t open by default).
Go to File > Export.
In the Format dropdown, select JPEG.

For converting many files at once, Preview also supports batch export: select multiple HEIC files in Finder, right-click, choose Quick Actions > Convert Image, and select JPEG as the target format.

Step 7: Convert HEIC to JPG on Windows

Since Windows doesn’t include a built-in converter as seamless as Mac’s Preview, you have a couple of solid options.

Using the HEIF Image Extensions app:

Install the free HEIF Image Extensions and HEVC Video Extensions from the Microsoft Store, which allow Windows to natively open and preview HEIC files.
Click the Edit & Create menu (or the three-dot menu, depending on your Windows version), and choose Save As.
Select JPEG as the file format and save.

Using a dedicated conversion tool:

Several free, well-established desktop converters exist specifically for batch HEIC-to-JPG conversion on Windows, letting you drag in an entire folder of HEIC files and export them all as JPG in one action — a good option if you’re dealing with hundreds of images at once and don’t want to rely on the Microsoft Store extensions.

Step 8: Convert HEIC to JPG Using an Online Converter

If you’re on a device where you can’t or don’t want to install anything, browser-based converters offer a no-install option.

Search for a reputable online HEIC to JPG converter.
Upload your HEIC file (or files, if the tool supports batch conversion) directly through the browser.
Wait for the conversion to process, then download the resulting JPG file or a zip archive if you converted multiple images.

Be mindful of privacy when using online converters, especially for personal or sensitive photos, since your images are uploaded to a third-party server during the process. For sensitive content, an on-device method (Preview on Mac, or the Windows Photos app) avoids that exposure entirely.

Step 9: Batch Convert an Entire Photo Library

If you’re dealing with thousands of HEIC photos rather than just a handful, a few approaches scale better than converting one at a time.

On Mac: Select your entire HEIC folder in Finder, right-click, and use Quick Actions > Convert Image with JPEG selected — this processes the whole batch in one operation.
On Windows: Use a dedicated batch conversion tool that supports folder-level processing rather than converting file by file through the Photos app.
From iPhone directly: Set the Transfer to Mac or PC setting to Automatic (Step 5) before doing a full library export, so every photo converts automatically as it copies over, regardless of how many files are involved.

For genuinely massive libraries, doing the conversion through a computer rather than directly on the iPhone is almost always faster, since desktop hardware handles batch image processing more efficiently than a phone’s Photos app.

Platform Variations: iOS, macOS, and Windows Versions

iOS 10 and earlier: These versions predate HEIC entirely, so photos are saved as JPG by default and no conversion is needed at all.
macOS Sierra and earlier: Older macOS versions don’t support HEIC natively, meaning Preview won’t open these files directly. Upgrading to a more recent macOS version, or using an online converter as a workaround, is necessary in this case.
Windows 10 (older builds) vs. Windows 11: Windows 10 requires the HEIF Image Extensions to be manually installed from the Microsoft Store, while Windows 11 includes broader native HEIC support out of the box, though installing the extensions is still recommended for full compatibility with editing features.
Android: Most modern Android phones can open HEIC files natively when received via apps like Google Photos, but converting to JPG on Android generally requires a dedicated conversion app from the Play Store, since there’s no built-in system-level converter equivalent to Apple’s Mail trick or macOS’s Preview.

Tips

Decide on a format strategy before your library grows too large. If you know you’ll frequently need JPG for work, sharing, or compatibility reasons, switching your camera format (Step 2) upfront saves far more time than converting files after the fact.
Use the Automatic transfer setting as your default, since it solves compatibility issues invisibly without sacrificing the storage benefits of shooting in HEIC in the first place.
Watch for quality loss on repeated conversions. JPG is a lossy format, so converting a photo from HEIC to JPG and back multiple times can gradually degrade image quality. Keep an original HEIC copy if you anticipate needing to convert the same photo more than once.
Check file size after batch conversions. JPG files are typically larger than their HEIC counterparts, so converting a large library can meaningfully increase your total storage footprint on whichever device receives the converted files.

Common Mistakes and Troubleshooting

“I converted a photo to JPG, but it looks slightly different in color or brightness.” This can happen with certain converters that don’t correctly handle HEIC’s wider color profile (often Display P3) during the conversion to JPG’s more limited standard color space. Using Apple’s own tools (Preview on Mac, or the Mail-based trick on iPhone) typically produces the most accurate color conversion compared to some third-party or online converters.

“My HEIC files won’t open at all on Windows, even after installing the extensions.” Restart your PC after installing the HEIF Image Extensions, since the change sometimes doesn’t take effect until a fresh restart. If it’s still not working, confirm you also installed the companion HEVC Video Extensions, which some systems require alongside the image extension for full compatibility.
“The Transfer to Mac or PC setting isn’t converting my photos automatically.” Double-check the setting is actually set to Automatic and not Keep Originals under Settings > Photos. Also confirm you’re transferring through a standard cable connection or File Explorer/Finder, since some third-party transfer apps bypass this setting and copy the original HEIC files regardless.
“My converted JPG files are much larger than expected.” This is normal and expected — JPG is a less storage-efficient format than HEIC at equivalent quality, often resulting in files roughly double the original size. If storage space matters for your converted files, look for a converter that lets you adjust the JPEG quality/compression level during export.
“I can’t find a batch conversion option and have hundreds of files to convert.” On Mac, select the entire folder in Finder and use Quick Actions > Convert Image rather than opening files individually in Preview. On Windows, search specifically for a converter tool that advertises folder or batch processing, since the built-in Photos app typically only handles one file at a time.

Conclusion

Converting HEIC to JPG is rarely more than a couple of taps or clicks away, whether you’re doing a quick one-off conversion through Mail on your iPhone, batch-converting an entire library on a Mac with Preview, or relying on the Automatic transfer setting to handle everything invisibly whenever you move photos to a Windows PC. If compatibility keeps coming up as a recurring issue, switching your camera’s default format is worth considering — otherwise, the built-in and free conversion tools covered in this guide will handle nearly any HEIC-to-JPG situation you run into.

Frequently Asked Questions

1. Why does my iPhone save photos as HEIC instead of JPG?

Apple made HEIC the default format starting with iOS 11 because it produces roughly half the file size of JPG at similar quality, allowing more photos to fit in the same amount of storage.

2. Does converting HEIC to JPG reduce photo quality?

There can be a small amount of quality loss since JPG uses different compression than HEIC, but for most everyday photos the difference is not noticeable to the eye. Repeated back-and-forth conversions of the same file will cause more visible degradation over time.

3. Can I make my iPhone save photos as JPG automatically?

This changes all new photos to JPG going forward, though it roughly doubles your average photo file size.

4. How do I convert HEIC to JPG without installing any apps?

On iPhone, attaching a HEIC photo to a new Mail message and sending it to yourself converts it to JPG automatically. On a browser, uploading to a reputable online converter also works without installing software.

5. Will HEIC photos open on Windows without conversion?

Windows 10 and 11 can open HEIC files natively after installing the free HEIF Image Extensions from the Microsoft Store, but many older programs and websites still expect JPG specifically, which is where conversion becomes necessary.

6. What’s the fastest way to convert hundreds of HEIC photos at once?

On a Mac, select the entire folder in Finder and use Quick Actions > Convert Image with JPEG selected. On iPhone, setting Transfer to Mac or PC to Automatic converts every photo during a bulk transfer without any manual steps.

7. Is it safe to use online HEIC to JPG converters?

Reputable converters are generally safe for non-sensitive photos, but your images are uploaded to a third-party server during conversion. For personal or sensitive content, using an on-device method like Preview on Mac or the Windows Photos app avoids that exposure entirely.

8. Do JPG files take up more storage than HEIC files?

Yes, typically. JPG files are usually about twice the size of an equivalent-quality HEIC file.

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