ICO PNG Converter

Extract PNG images from modern ICO favicon files, or turn a PNG logo into a multi-size ICO package for browser tabs and Windows shortcuts.

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Add ICO or PNG files

Choose the direction first, then drop files. Processing stays inside your browser.

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ICO to PNG extracts PNG-compressed icon images. PNG to ICO creates a multi-size favicon-style ICO file.

Files are processed in the browser and are not uploaded to a server.

Converted results

Preview extracted PNG files or the ICO package before downloading.

Add files and run conversion to see results here.

Conversion settings

For PNG to ICO, select the icon sizes you want to package. 16, 32, 48, and 256px cover most favicon and desktop cases.

Conversion direction

Useful tips

check_circleUse PNG to ICO when you need a favicon.ico file for older browsers, Windows shortcuts, or app packages.
check_circleInclude 16px and 32px for browser tabs, 48px for desktop views, and 256px for high-resolution icons.
check_circleTransparent PNG logos work best. Keep the source square when possible.
check_circleSome old ICO files store BMP/DIB data. If extraction fails, use a PNG-compressed favicon source.

Before using the file

task_altPreview tiny sizes to make sure the icon is recognizable at 16px.
task_altCheck that transparent areas remain clean on light and dark backgrounds.
task_altKeep the original PNG logo for future edits.
task_altAfter uploading favicon.ico, confirm the browser tab refreshes with the new icon.

How ICO and PNG conversion works

ICO files are containers that can hold several icon images at different sizes. Modern ICO files often embed PNG images. This tool reads the ICO directory, extracts PNG entries, or builds a new ICO by resizing a PNG into selected icon sizes.

Usage notes

ICO can contain multiple images such as 16x16, 32x32, 48x48, and 256x256.
PNG keeps transparency and is commonly embedded inside modern ICO files.
PNG to ICO packages resized PNG images into one .ico container.

Frequently asked questions

Are files uploaded?expand_more

No. The conversion runs in your browser with FileReader and canvas.

Why does an ICO file fail to extract?expand_more

Some ICO entries are BMP/DIB based instead of PNG-compressed. This tool focuses on PNG entries because they can be safely previewed and downloaded in the browser.

Which sizes should I include?expand_more

For a favicon.ico, 16, 32, 48, and 256px are practical defaults.

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