How do I open an iPhone HEIC photo on Windows?

Convert it to PNG with AllConvert: drop the .heic file onto the page, select PNG, and click Convert. The result opens in any program on Windows, Mac, or Android.

Is HEIC to PNG conversion lossless?

PNG itself is lossless, so every pixel produced by the HEIC decoder is preserved exactly. This makes PNG the best target format if you plan to edit the photo afterwards.

Are my photos uploaded during conversion?

No. The HEIC decoder runs in your browser via JavaScript, so your photos never leave your device — important for private pictures.

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iPhone photo won't open on your PC? AllConvert converts HEIC to lossless PNG instantly, right in your browser. No upload, no account — your photos stay on your device.

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Why convert HEIC to PNG?

HEIC is the format iPhones use by default, but Windows, Android and most editing tools either can't open it or need extra codecs. PNG opens everywhere, and because it is lossless, it preserves every pixel the decoder produces — making it the best choice when you plan to edit the photo afterwards, need transparency support in later editing steps, or simply want maximum quality.

What happens during the conversion?

The first HEIC conversion downloads a small open-source decoder library (about 1 MB) to your browser; after that, conversions are instant. Your photo itself is decoded and re-encoded entirely on your device — it is never uploaded to any server, which matters for personal photos.

PNG or JPG for iPhone photos?

PNG gives maximum quality but larger files. If you mainly want to share or email the photo, HEIC to JPG produces much smaller files that still look great. For the web, HEIC to WEBP is smaller still.

How to convert

Open AllConvert and drop your HEIC file onto the page.
Select PNG from the format dropdown on the file card.
Click Convert and download your result.

The entire process runs locally in your browser. Nothing is uploaded, and it works on desktop and mobile, in Chrome, Firefox, Safari, and Edge.

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