Free online PNG to ICO converter

How to convert png to ico. Possible png to ico converters.

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How to convert png to ico file

June 7, 2026
Graphics
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Pretty much any kind of graphic file can be used for making icons, and that of course also includes PNG images. Many icon creator o icon editors exist and pretty much any of them should be capable of png to ico conversion just fine. Nowadays you can even find online converters that can help you convert png to ico.

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Understanding PNG and ICO file formats

PNG (Portable Network Graphics) is a raster graphics file format that supports lossless data compression. It is widely used for web graphics due to its ability to handle transparency and provide high-quality images. ICO (Icon) files are used to store icons for Windows programs, folders, and files. An ICO file can contain multiple images at different sizes and color depths, making it versatile for various display settings.

How to convert PNG to ICO

Converting a PNG file to an ICO file is a straightforward process. This conversion is often necessary when creating custom icons for software applications or website bookmarks. The conversion process involves resizing the PNG image to fit standard icon sizes and saving it in the ICO format.

Best software for PNG to ICO conversion

One of the best tools for converting PNG to ICO is GIMP, a free and open-source image editor. Here’s how you can use GIMP for this conversion:

Open your PNG file in GIMP.
Resize the image to standard icon sizes, such as 16x16, 32x32, 48x48, or 256x256 pixels.
Go to File → Export As.
In the export dialog, choose ICO as the file format.
Click Export and adjust any additional settings if necessary.

Another excellent tool is Online Convert, a web-based service that allows you to convert PNG to ICO without installing any software. Simply upload your PNG file, select the desired icon sizes, and download the ICO file.

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PNG vs ICO: format comparison

How the PNG and ICO formats compare on the properties that matter most for this conversion.

Comparison of the PNG and ICO file formats
Property	.PNG Portable Network Graphics	.ICO Icon Image File
Compression	Lossless	Both
Transparency	Yes	Yes
Animation	No	No
Layers	No	No
Color depth	True color with alpha (32-bit)	Indexed (256 colors)
Metadata support	Extensive	Basic
Opens in a web browser	Yes, natively	Yes, natively
Typical file size	Small	Very small
Open standard	Yes	Partly open
Best used for	Web publishing	Icons
Introduced	1996	—
Developer	PNG Development Group	Microsoft Corporation
MIME type	image/png	image/x-icon

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Frequently asked questions

Is the PNG to ICO converter free?

Yes, converting PNG to ICO on 101convert.com is completely free. No registration, email address or installation is required.

How large can my PNG file be?

You can upload PNG files up to 2000 MB and convert up to 200 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert PNG to ICO?

No. The PNG to ICO conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid PNG file for this PNG to ICO conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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Additional formats for
png file conversion

Reverse conversion

ico to png

Convert to ico from
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Free online PNG to ICO converter

Convert PNG to ICO online - free