imageBeta
PNG to ICO
Create multi-resolution ICO files from PNG images locally.
Processed on your device
Your files never leave this browser.
Drop files here
or choose files from your device
Files up to 50 MB each
How this tool works
PNG pixels are fitted into a valid multi-resolution ICO while preserving alpha where possible.
- Choose one or more PNG images.
- Process the queue.
- Download ICO files containing 16–256px PNG entries.
Processing stays inside a disposable browser worker. Canceling or leaving the page terminates that worker and releases its memory.
Capabilities and limits
- Files per job
- 1–50
- Per-file limit
- 50 MB
- Privacy mode
- LOCAL ONLY
- Images above 40 megapixels are rejected.
- Non-square images use contain padding.
- No server fallback is used.