How to Email HEIC Photos So Anyone Can Open Them

September 21, 2026 · 5 min read

You attach a few photos from your iPhone, hit send, and feel done — until the reply comes back: "I can't open these." The images arrived as .heic files, and whoever you emailed is staring at an attachment their computer doesn't recognize. It's one of the most common HEIC headaches, and the good news is it's easy to avoid.

Here's why it happens and how to send iPhone photos that open for absolutely everyone.

The short answer

Convert the photos to JPG before you attach them. JPG opens on every phone, computer, and email client on the planet, so nobody has to install anything. The fastest no-install route is to drop your files into the HeicQuick HEIC to JPG converter, download the JPGs, and attach those — the conversion happens inside your browser, so your photos never leave your device. If you'd rather fix it at the source, iOS can also send compatible copies automatically, which we'll cover below.

Why HEIC breaks in email

Since 2017, iPhones and iPads have saved photos as HEIC (High Efficiency Image Container) by default, because the files are roughly half the size of a JPG at similar quality. That's great for your storage — but email doesn't care about your storage. It cares about whether the person on the other end can open the file, and HEIC support is still patchy:

• Windows doesn't open HEIC out of the box; it needs an extra codec from the Microsoft Store.
• Android support varies by phone, app, and version — some open HEIC, many don't.
• Older software, web-based email previews, and many desktop image viewers simply don't recognize the format.

So the photo isn't broken and the email went through fine. The recipient just received a file wearing a format their device doesn't know how to read. Give them a JPG and the exact same picture opens instantly. (New to the format? Here's what a HEIC file actually is.)

The reliable fix: convert to JPG first

If it has to work — a client, a family member on Windows, a printer, an insurance adjuster — don't leave compatibility to chance. Convert the photos to JPG yourself, then attach the JPGs:

1. Open the HEIC to JPG converter.
2. Drag your photos onto the page (a whole batch is fine).
3. Download the JPG versions.
4. Attach those to your email.

Because everything runs inside your browser, nothing is uploaded to a server — no account, no waiting, and it's private enough for ID scans, medical images, or family photos. This works the same on an iPhone, iPad, Mac, or Windows PC, and it's the one method that doesn't depend on the recipient's device cooperating.

Need a different format? HeicQuick also does HEIC to PNG when you want a lossless copy, and HEIC to WebP if the images are headed for a website.

Letting your iPhone send compatible copies

Apple knows HEIC trips people up, so iOS often steps in — but the behavior isn't always obvious.

The built-in Mail app frequently converts for you

When you attach photos in Apple's Mail app on an iPhone or iPad, iOS will often send them as JPEG automatically for compatibility. That's why photos emailed straight from the Mail app sometimes open fine. The catch: it isn't guaranteed in every situation, and third-party mail apps — Gmail, Outlook, Yahoo — may attach the raw .heic file instead. If compatibility is critical, converting first removes all doubt.

Change how your iPhone transfers photos

There's a setting that controls whether photos are converted when you move them off the phone:

1. Open Settings → Photos.
2. Scroll to Transfer to Mac or PC.
3. Choose Automatic — this hands over a compatible JPEG copy instead of the HEIC original.

Keep Originals does the opposite and sends the HEIC untouched, which is often what causes the problem.

Or shoot JPG from the start

If you email photos constantly, capture them as JPG in the first place:

1. Open Settings → Camera → Formats.
2. Tap Most Compatible.

New photos will save as JPG, ready to email with no conversion. The trade-offs: photos take more space, and you lose some HEIC-only perks. This only affects future photos — anything already in your library stays HEIC, so you'll still convert those older ones when you need them. A tidy middle ground is to leave the camera on High Efficiency to save space and convert copies to JPG only when you're about to send them.

Sending from a Mac

Emailing from a Mac? macOS reads HEIC natively, so it's easy to forget the recipient can't. Convert before attaching: open a photo in Preview → File → Export → JPEG, or use the browser converter for a whole folder at once. Our full walkthrough covers converting HEIC to JPG on a Mac step by step.

A couple of extra tips

• Sending many photos? Convert them all to JPG first, then attach — a folder of JPGs is far friendlier than a folder of HEICs, whatever email app you use.
• Not sure what you're sending? On iPhone, open a photo, tap the info (ⓘ) button, and it shows the file type. On a computer, the extension after the dot (.heic, .jpg) tells you.

The bottom line

When someone can't open the photos you emailed, it's almost never the picture — it's the HEIC format their device doesn't support. Send a JPG and it opens everywhere, every time. Let the Mail app or the transfer setting handle it when you can, and convert the files yourself whenever it truly has to work.

Ready to send photos anyone can open? Convert your HEIC to JPG now — free, private, and running entirely in your browser. Or open the main converter to pick any format you need.