ICO to PNG Converter

How to Convert ICO to PNG in 3 Steps

Converting ICO to PNG with this tool takes seconds, and nothing is sent over the internet — the whole job happens on your own device.

1. 01
   Add your ICO file

   Drag and drop one or more .ico files into the box above, click to browse, or paste one from your clipboard with Ctrl+V. Cursor files (.cur) work too. The moment a file lands, every image inside it appears as a thumbnail — before you convert anything.

2. 02
   Pick the sizes you want

   Click any thumbnail to include or exclude it. Everything is selected by default, or use a preset: All, Largest only, or Favicon set for the 16, 32 and 48 pixel images. The counter tells you exactly how many PNG files you are about to get.

3. 03
   Download your PNG files

   Click Convert to PNG, then grab images one at a time or take all of them as a zip. The whole ICO to PNG conversion runs on your own device, so there is no queue, no waiting, and no daily cap.

How Many PNG Files Will You Get from One ICO?

This is the question every other ICO to PNG converter leaves you to discover by accident. You drop in one file called favicon.ico and suddenly four downloads appear. Nothing went wrong — that is simply what was always inside.

An ICO file is a container, not a single picture. It holds several complete images of the same artwork at different resolutions. Converting ICO to PNG means unpacking that container, and each image inside becomes its own PNG file.

A typical favicon: two to four files

Most website icons carry 16×16, 32×32 and often 48×48. Convert that ICO to PNG and you get three images. They are not duplicates — each one was drawn or tuned separately, which is the entire reason the format exists.

A Windows application icon: six or more

Desktop software ships fatter icons: 16, 24, 32, 48, 64, 128 and 256 pixels are all common, and a single ICO can legally hold up to 256 images. Extracting one of those gives you a stack of PNG files covering every size Windows might ask for.

When an ICO holds only one image

Sometimes there really is just one picture inside, and converting that ICO to PNG gives you a single file. This tool says so up front — the card reads “contains only one 32×32 image” rather than leaving you to wonder whether something failed.

What Is an ICO File?

An ICO file is a Microsoft icon container that stores the same artwork at several resolutions in one file, so Windows and browsers can pick the sharpest version for whatever they are drawing.

PNG works the opposite way: one file, one image, one resolution. That difference is the whole reason converting ICO to PNG produces more files than you started with.

The directory header

An ICO opens with a small directory that lists what is inside — how many images there are, how big each one is, and where its bytes begin. Reading that directory takes microseconds, which is why the thumbnails on this page appear the instant you drop a file in, before any pixel is decoded.

Two ways a frame can be stored

Here is the part almost no ICO to PNG converter mentions, even though it decides whether your transparency survives.

PNG-compressed frames (Windows Vista and later)

Newer icons tuck an entire PNG file inside the container. The format requires this for 256×256, which is why big modern icons stay small. When you extract one of these, this tool hands back those exact bytes — a lossless copy, with no re-encoding at all.

BMP frames with a 1-bit mask

Older frames store raw pixels bottom-up, followed by a separate one-bit mask that marks which pixels are see-through. Every frame in a typical older favicon uses this path. It is not a rare edge case: check the favicons of long-established sites and you will find BMP frames almost every time — which is precisely why an ICO to PNG converter has to handle both paths properly rather than assuming every frame is a tidy modern PNG.

Why Convert ICO to PNG?

The ICO format only really matters to Windows and to browser tabs. Everywhere else expects a PNG — which is why people convert ICO to PNG far more often than you might guess.

You lost the original artwork

A shipped favicon.ico is often the last surviving copy of a logo whose source file vanished years ago. Extracting the 256×256 image gets you back something you can actually open in Figma or Photoshop.

You need it on the web or in an app

PNG is the format every design tool, framework, and platform accepts. Modern web icons are PNGs referenced from a manifest; mobile apps, Slack emoji, and README badges all want PNG too. Converting ICO to PNG is the bridge.

Docs, slides, and design handoff

Dropping an .ico into a document, a deck, or a design file usually fails outright — most software cannot read the format at all. A PNG just works.

Which Extracted Size Should You Actually Use?

Once you convert ICO to PNG you have a small pile of images. Here is how to tell them apart.

For web and favicons

Keep 16×16 and 32×32. Those are the two sizes browsers actually reach for, and 48×48 is worth having if you plan to reference PNG icons from a web manifest.

For app and desktop use

Take the 256×256. It is the one that looks right in documentation, on a store listing, or anywhere on a high-DPI screen — and it is usually the sharpest image in the file.

Why you should not upscale a 16×16

A 16-pixel image contains 256 pixels in total. Blowing it up to 256×256 cannot invent the detail that was never captured, and no ICO to PNG converter can change that. If the icon has a large frame, use it; if it does not, go back to the original artwork.

Transparency: What Survives the Conversion

Every ICO to PNG converter claims transparency is preserved. None of them explain what that actually means — or why an old icon sometimes comes out with an ugly pale outline.

Modern 32-bit alpha

Each pixel carries its own opacity, from fully solid to fully invisible, with every shade in between. PNG stores transparency exactly the same way, so these images transfer across perfectly. Nothing is lost, nothing is approximated.

Legacy 1-bit masks

Older frames get a separate mask where each pixel is a single bit: visible or gone. There is no in-between, so smooth edges cannot be represented at all.

Why old icons get white fringes

When the artwork was originally anti-aliased against a white background, those blended edge pixels are still white — and a 1-bit mask has no way to fade them out. Convert that ICO to PNG and the white stays, ringing your logo with a pale halo. It is not a bug in the converter; it is information the icon never had. The fix is to go back to the source artwork, or use a larger 32-bit frame from the same file if one exists.

How this converter handles both

Every frame is read on its own terms: alpha channel where there is one, mask where there is not. There is also a trap we handle quietly — some 32-bit icons ship with an alpha channel that is entirely blank. Taken at face value the whole image would be invisible, so we detect that and fall back to the mask.

PNGConvert vs Other ICO to PNG Converters

Plenty of sites convert ICO to PNG. The interesting difference is what they do with the other images inside your file.

Converters that keep only the largest frame

Several well-known services extract the biggest image and quietly throw the rest away — some even present it as a feature. If you wanted the 16×16 for a tab, it is simply gone. That behaviour is a preset here, not a limitation: click Largest only.

Converters that dump every frame on you

The opposite camp extracts everything automatically with no way to opt out. Convert a six-frame icon and you get six files to sort through. That behaviour is our default — but you can deselect anything you do not want before downloading.

Why local conversion means no daily limits

Some in-browser converters still cap your usage and make you wait between downloads, which is an odd thing to do when your own CPU did the work. Server-based services at least have a real reason: every conversion costs them money. We have neither the cost nor the cap. If your browser can open the file, it can convert ICO to PNG, as many times as you like.

ICO vs PNG: Format Differences

PNG is a single image with lossless compression and full alpha transparency — the format design tools export and the web understands. ICO is a Microsoft container that bundles several images of the same artwork so an operating system can choose between them.

A useful way to hold it: ICO is the delivery box, PNG is what is inside. Converting ICO to PNG opens the box; the PNG to ICO converter packs a new one.

This also explains why renaming icon.ico to icon.png never works. The bytes are still an icon container, and no image viewer will accept them. A real conversion has to read the directory, decode the frame, and write a genuine PNG.

How to Convert ICO to PNG on Windows

Windows is where most icon files come from, and it is oddly bad at getting images back out.

Why Paint opens an ICO but saves it wrong

Paint will happily display an icon, so it looks like the job is done. But Paint sees only one image from inside the container, has no idea the others exist, and flattens transparency to white when saving. You end up with one PNG, wrong background, and no way to reach the sizes you actually wanted.

Where Windows keeps its own icons

System icons live inside DLL and EXE files rather than as loose .ico files — shell32.dll alone holds hundreds. That is why searching your drive for icon files turns up almost nothing.

Extracting icons from an EXE or DLL

To pull an icon out of a program file you need a resource extractor, which saves it as .ico. From there this page finishes the job: drop the file in and convert ICO to PNG with every embedded size intact.

Going the other way — turning a photo into an icon and applying it to a shortcut — is a different job with its own pitfalls. We tested five ways to do it in How to Convert JPG to ICO on Windows 11 and 10, including why custom icons revert and how to rebuild the icon cache.

Frequently Asked Questions

More Free Converter Tools

The ICO to PNG converter is part of a growing family of free, in-browser tools on pngconvert.net — same privacy promise, no accounts, no uploads: