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PNG to ICO Converter

Create a Windows icon with six sizes from a local PNG. Non-square images are centered without stretching, with transparency retained where supported.

Free to useNo sign-upRuns in your browser
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Enter the inputs, then select Convert to ICO.

Local file only. Up to 10 MB; decoded size and record limits apply.

Your result
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Result will appear here

How PNG to ICO Converter works

Resize a local PNG into square icon sizes from 16 to 256 pixels and package PNG icon entries.

Processing uses bundled libraries in this browser. The download contains the generated file, rather than a link to a conversion service.

Concept diagram for PNG to ICO Converter, showing png image input and the supported output.
Concept diagram; the three operation images are actual browser captures.

How to convert to ICO

Start with the supported input, then check the generated result.

Choose the supported file

Choose PNG image. The file stays in this browser; it is not saved by the page.

Input and settings
PNG to ICO Converter: input and settings in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Check the input settings

Read the supported input format and size limits before submitting.

Tool result
PNG to ICO Converter: tool result in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Review and save the output

Review a multi-size Windows icon from PNG pixels. Download the generated file and check it in the application where you plan to use it.

Review the details
PNG to ICO Converter: review the details in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

When to use PNG to ICO Converter

These workflows use the formats and behavior supported by this implementation.

Package an existing PNG icon

Choose an existing PNG and generate six icon entries. Enlarging a small source does not restore detail that was never present.

Color and image inputs represented by swatches and a pixel grid.
Start with the design input. Concept illustration.

Keep a non-square image centered

A non-square source is fitted inside each square icon canvas. Transparent margins prevent stretching the original proportions.

Design samples shown side by side for comparison.
Compare the visual result. Concept illustration.

Create six icon resolutions

Check the 16-pixel and 256-pixel entries in the target software. The icon uses PNG payloads, which older applications may not support.

A visual asset prepared for use in a design workflow.
Prepare a design asset. Concept illustration.

What the output contains

Keep the output format and conversion policy in view.

A multi-size Windows icon from PNG pixels. Resize a local PNG into square icon sizes from 16 to 256 pixels and package PNG icon entries.

Compare the result with the original before replacing a source file. Conversion limits are listed below.

Color or image detail reviewed alongside its original input.
Inspect the output. Concept illustration.

Supported input and limits

Check these conditions before relying on the result.

Non-square images are centered without stretching. Transparent pixels remain where supported. ICO uses PNG payloads; older target software may need another icon encoder.

Input and results are not stored after leaving or reloading. Keep the original and download any output you need.

Design output inspected before use in a destination layout.
Check the intended use. Concept illustration.

Convert to ICO with your input

Generate the supported output, review it, and save a copy for your next step.

Convert to ICO

PNG to ICO Converter: common questions

Answers about using PNG to ICO Converter and understanding its results.

What does this tool produce?

It produces a multi-size Windows icon from PNG pixels. Non-square images are centered without stretching. Transparent pixels remain where supported. ICO uses PNG payloads; older target software may need another icon encoder.

Is my input uploaded?

Processing runs in this browser with local bundled libraries. No input is sent to a conversion server. Download your result before leaving the page.