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Free HEIC to PNG Converter (+ Guide)

A free HEIC to PNG converter that works in your browser, with a quality score on every file and nothing uploaded.

5.0(1 rating)
Navid Moazzezby Navid Moazzez·Updated Sept 29, 2026·3 min read

Drop your HEIC files to convert them to PNG, with a score on each that shows how close it looks. It all happens in this browser.

1

Your HEIC files

Nothing is uploaded.
2

Settings

Format

For screenshots, logos and graphics. Keeps transparency.

Quality

Every pixel kept exactly. The smallest file without changing a single pixel.

3

Convert

Add an image to compress.

Everything happens in this browser, so your images never leave your computer. PNGs are compressed with libimagequant and OxiPNG, JPGs with Google's JPEGli, and every result is scored with SSIMULACRA 2, the quality metric from Cloudinary and JPEG XL.

Rate this tool

This free HEIC to PNG converter turns iPhone photos into PNGs with every pixel kept, for editing, printing or apps that want PNG.

It works in your browser and uploads nothing.

Here's what a HEIC to PNG converter does, when to use one, and how this one did against CloudConvert.

What is a HEIC to PNG converter?

A HEIC to PNG converter turns a HEIC image into a PNG file: the same picture, in a format that opens somewhere else.

This one works in your browser, and gives every file a score that shows how close it looks to the original.

Convert HEIC to PNG0/4

When to convert HEIC to PNG

Pick PNG when you'll edit the photo again or need it with nothing lost. For sharing, a JPG is a tenth of the size and looks the same.

A PNG keeps every pixel of the photo your iPhone decoded, so editing it later adds no new loss. The catch is size: a photo as PNG is many times bigger than the HEIC.

Compared with CloudConvert

I converted the same HEIC files here and with CloudConvert, at each one's default settings. Then I scored every result against its original:

Golden retriever photo, 29 megapixels
Original
8.3 MB
CloudConvert
44.8 MB, score 87.9
This converter
37.4 MB, score 87.1
Dark portrait, 6 megapixels
Original
271 KB
CloudConvert
2.2 MB, score 90.4
This converter
1.8 MB, score 89.5
Kodak test photo 23, 2 macaws
Original
50 KB
CloudConvert
439 KB, score 88.1
This converter
367 KB, score 87.4

Both converters kept every pixel they decoded, and this converter's PNGs were 16% to 18% smaller, packed tighter by OxiPNG.

Against Apple's own decoder, both scored 87 to 90, CloudConvert's about a point higher. An iPhone photo stores its color at half size, and each decoder fills it in its own way.

How I tested

I tested on September 29, 2026. I saved 3 pictures as HEIC with macOS's own encoder, at quality 80: the 29-megapixel golden retriever photo, a dark 6-megapixel portrait and Kodak test photo 23.

How I scored each file0/4

The score is SSIMULACRA 2, a metric from Cloudinary that compares two pictures the way your eye does:

ScoreWhat it means
90 and upLooks identical: no difference even flicking between them at 100%
80 to 90Same side by side at 100%
70 to 80High quality: hard to notice without comparing
50 to 70Medium quality: you can see it up close
Under 50Visible loss

Who is the HEIC to PNG converter for?

It's for iPhone owners who need a picture with nothing lost:

It works in your browser, and the new file leaves out hidden details like the camera and where a photo was taken.

More free image converters

Here are my other free image converters. Each one works in your browser, at full size:

They score every file, and none upload your pictures.

Design and edit your images

HEIC to PNG FAQs

Questions about the hEIC to PNG converter? Here's what to know.

A HEIC to PNG converter turns a HEIC image into a PNG file: the same picture in another format.

This one works in your browser, with a score on every file.

HEIC is the format iPhones save photos in.

It holds a photo in about half the space of a JPG, but many apps and websites can't open it.

Drop your HEIC photos here, keep the quality on Lossless, and click Convert.

Download each PNG, or all of them as a ZIP.

No, on Lossless every pixel of the decoded photo is kept.

The PNG is much bigger than the HEIC, because PNG stores every pixel exactly.

PNG keeps every pixel, for editing and print.

JPG is about a tenth of the size and looks the same, for sharing and uploads.

Yes, it's free, with no account and no limit on files.

It runs in your browser, so it costs nothing to run.

No, the HEIC to PNG converter works in your browser.

Your images never leave your computer.

Yes, drop up to 50 files at once, 50 megapixels each.

Download them one by one, or all together as one ZIP.

I did.

I'm Navid Moazzez, and the HEIC to PNG converter is one of my free tools on navid.me.

Read more about me.

Navid Moazzez

AI business strategist & AI OS builder

Navid Moazzez helps creators and founders master AI and build their own AI Operating System (AI OS) to automate their business and life.

Navid.me is reader-supported. When you buy through links on this site, I may earn an affiliate commission. Learn more.

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