ICO to PNG Converter
ICO to PNG Converter extracts the closest bounded icon entry locally without uploading the file.
Purpose and limits
What this tool does
Select one ICO entry deterministically and export it as a transparent PNG.
- Input
- One local ICO up to 20 MiB with at most 64 entries, 256 px per side and 4.19 MP in total.
- Result
- One locally generated PNG from the closest requested icon size.
How to use it
- Choose a local ICO file and a preferred target size.
- Review the supported entry, alpha and security limits.
- Process locally, inspect the PNG preview and download the result.
Limitations
- PNG-in-ICO and uncompressed 1, 4, 8, 24 and 32-bit BMP entries are supported; CUR, compressed or malformed variants are rejected.
- The closest size is selected deterministically, with larger and deeper entries preferred on ties.
- Transparent RGB channels may be normalized during PNG export; physical mobile-device support is not claimed.