ICO to PNG Converter Online — Extract the Largest Icon
Convert ICO to PNG online by extracting the largest available icon locally in your browser.
PNG-based ICO files are extracted directly; older bitmap ICO files use browser decoding when available.
Images are processed locally in your browser and are not uploaded.
About this tool
The parser ranks ICO entries by dimensions and bit depth, extracts embedded PNG data directly when available, or decodes the ICO through the browser.
How to use
- Choose an ICO file.
- Extract its largest icon.
- Download PNG.
Features
- Reads multi-entry ICO files.
- Prefers largest high-depth entry.
- Local output.
Common use cases
- Recover a favicon image.
- Preview Windows icons.
- Create PNG assets.
Common issues and tips
- Some legacy ICO encodings depend on browser decode support.
- Only the selected largest entry is exported.
Privacy
ICO processing runs locally.
Frequently asked questions
Which icon is selected?
The entry with the largest dimension-and-depth score.
Are all sizes exported?
No, only the selected largest icon.
Is it uploaded?
No.