How to Convert HEIC to JPG (iPhone Photos, in Your Browser)

MumenLabs


Just AirDropped or emailed some iPhone photos and now nothing will open the .HEIC files? This guide shows you exactly how to convert HEIC to JPG — for free, in your browser, without your personal photos ever leaving your device.

Last updated: July 2026

How to convert HEIC to JPG (the short answer)

To convert HEIC to JPG, open a browser-based image converter, drag in your .HEIC files, choose JPG as the output format, then download the converted images. With MumenLabs Image Compressor the whole conversion happens inside your browser, so your photos are never uploaded to a server — it's free, adds no watermark, and you can batch-convert a whole camera roll and download it all as one ZIP.

That's the summary. Below is the step-by-step version, plus why HEIC won't open on Windows and Chrome in the first place, and how to convert to PNG instead if you need transparency.

How to convert HEIC to JPG, step by step

Here is the full process. It takes seconds, whether you have one photo or two hundred.

  1. Drag your HEIC files in. Open MumenLabs Image Compressor and drag your .HEIC files into the drop area, or click to browse and select them. Add one photo or your entire camera roll — there's no batch limit.
  2. Choose JPG as the output format. Pick JPG as the output. (Want a lossless copy with transparency instead? Choose PNG — more on that below.) You can optionally resize the images or set a target file size in the same pass.
  3. Download. Your converted images are generated instantly on your device. Download a single JPG, or grab the whole batch as one ZIP — clean, watermark-free, and ready to open anywhere.

That's it. No email address to hand over, no upload progress bar, and no watermark stamped across your photos.

Why can't I open HEIC files on Windows or Chrome?

Because HEIC isn't a universal format — it's Apple's default. Since iOS 11 (released in 2017), iPhones save photos as HEIC (High Efficiency Image Container) instead of JPG. Apple switched because HEIC uses newer compression that stores a photo at roughly half the file size of an equivalent JPG, at similar quality. Great for saving space on your phone — right up until you try to open the file somewhere that isn't an Apple device.

The catch is that most of the rest of the world still expects JPG. Out of the box, older versions of Windows can't preview a HEIC file, Google Chrome and Firefox won't display one in the browser, and countless websites — job portals, government forms, marketplace listings, print labs, older photo software — simply reject the format on upload. So the moment you move an iPhone photo off the phone, you often need to convert HEIC to JPG just to use it.

JPG, by contrast, opens on everything: every operating system, every browser, every photo app, and virtually every upload box on the internet. Converting HEIC to JPG is how you make an iPhone photo behave like a normal, universal image again.

How do I convert HEIC to JPG for free?

Use a tool that reads HEIC and exports JPG without charging you or watermarking the result. MumenLabs Image Compressor does exactly this: drop in your .HEIC files, pick JPG, and download — completely free, with no watermark and no cap on how many photos you convert.

Two things make it different from a typical converter website:

  • Your photos never get uploaded. The conversion runs locally in your browser, so your personal pictures stay on your own machine (more on why that matters next).
  • There's no batch limit. Convert one photo or your whole camera roll in a single pass and download the lot as a ZIP.

It's genuinely free. You do sign in with a free MumenLabs account, but there's no charge, no paid tier gating the converter, and no watermark on anything you download.

Do my iPhone photos get uploaded when I convert them?

No — and this is the part most people never think about. With MumenLabs Image Compressor, your photos go nowhere. The HEIC-to-JPG conversion happens entirely inside your browser tab, on your own computer or phone. Nothing is uploaded, stored, or seen by anyone else.

That's very different from how most online HEIC converters work. On a typical converter website, the moment you drop in a photo it gets uploaded to their server, converted there, and sent back to you. Your image — and everything encoded in it — sits on a machine you don't control, run by people you'll never meet, for however long that company decides to keep it.

For a screenshot, maybe you don't care. But HEIC files are almost always personal iPhone photos: family pictures, kids, your home, travel, private moments you'd never post publicly. There's also a hidden risk baked into every photo — EXIF metadata, including the exact GPS coordinates where the shot was taken. Upload a photo taken at home and you may be handing a stranger's server the location of your front door. MumenLabs Image Compressor can strip that EXIF and GPS data out with one toggle before you download.

Want proof it stays local? Once the page has loaded, switch your Wi-Fi off and convert anyway — it still works, because there's nothing to send. A tool that uploaded your photos couldn't function offline. This one can.

Will converting HEIC to JPG lose quality?

Barely, and not in a way you'll see. Both HEIC and JPG are compressed formats, so converting between them isn't a perfectly lossless copy — but at sensible quality settings the difference is invisible to the eye. You control the JPG quality, so you decide the balance between file size and sharpness.

A couple of honest facts to set expectations:

  • JPG files are usually larger than the original HEIC at matching quality, because HEIC's compression is more efficient. That's normal and expected — you're trading a little disk space for a file that opens everywhere.
  • If you want the smallest possible modern file instead, you can convert to WebP, which can be 25–35% smaller than an equivalent JPG at similar visual quality.

For sharing an iPhone photo, printing it, or uploading it to a site that demands JPG, the quality trade-off is negligible. You get a universal file that looks the same to anyone who opens it.

Can I convert HEIC to PNG instead?

Yes. Choose PNG as the output format instead of JPG. PNG is a lossless format with support for transparency, so it's the right pick when you need pixel-perfect quality or a transparent background — for example, a photo you're about to edit, or a graphic-style image with sharp edges and text.

The trade-off is size: a PNG of a photograph is typically much larger than the JPG equivalent. As a rule of thumb, JPG (or WebP) is for photographs and PNG is for graphics with sharp edges, text, or transparency. For ordinary iPhone snapshots, JPG is almost always the better choice; reach for PNG when quality or transparency matters more than file size.

HEIC to JPG: browser tool vs. a typical converter site

MumenLabs Image Compressor A typical online HEIC converter
Where conversion happens In your browser, on your device Uploaded to their server
Personal photos leave your device Never Yes — every file is uploaded
Watermark None Sometimes, or nudges to a paid plan
Batch limit None — whole camera roll at once Often capped (e.g. ~20 files)
Output formats JPG, PNG, WebP Varies
Works offline Yes, after the page loads No
Cost Free (free account) "Free" with limits/upsells

Tables like this are worth scanning before you pick a tool: the difference between a converter that uploads your photos and one that doesn't is the difference between your private pictures staying yours and sitting in a stranger's cloud.

Frequently asked questions

Why can't I open HEIC files?

Because HEIC is Apple's default photo format, not a universal one. Since iOS 11 (2017), iPhones save photos as HEIC to save space, but many versions of Windows, the Chrome and Firefox browsers, and lots of websites can't open or accept HEIC files. Converting them to JPG produces a universal image that opens on any device, browser, and upload form.

How do I convert HEIC to JPG for free?

Open MumenLabs Image Compressor, drag in your .HEIC files, choose JPG as the output format, and download. It's completely free, adds no watermark, converts in your browser (so nothing is uploaded), and has no limit on how many photos you convert at once.

Will converting HEIC to JPG lose quality?

Not in any way you'll notice. At sensible quality settings the converted JPG looks identical to the original to the eye, and you control the quality yourself. The main difference is that the JPG file is usually a bit larger than the HEIC, because HEIC compresses more efficiently — a fair trade for a file that opens everywhere.

Do my photos get uploaded?

No. The entire conversion happens locally in your browser on your own device. Your iPhone photos are never uploaded to our servers or anyone else's. You can confirm it by turning off your internet after the page loads — the converter still works, because nothing needs to be sent anywhere. You can also strip GPS and EXIF metadata before you download.

Ready to convert your iPhone photos?

Now you know how to convert HEIC to JPG quickly, for free, and without ever exposing your personal photos to a server. The easiest next step is to try it: convert HEIC to JPG privately in your browser with MumenLabs — free, no watermark, batch-ready, and gone from memory the moment you close the tab.

Working with images beyond format conversion? See our guides on how to compress an image to 100KB to beat an upload limit, and how to resize an image for Instagram to fit any platform.


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