Browser edition: files stay on your device. Up to 100 MB total and 10 minutes. First use downloads a 32 MB engine. Some formats depend on codec support. Public-link downloading is not ready on this free deployment.
Convert PNG to ICO
Convert PNG to ICO online for free. Real conversion, batch support, no sign-up.
How to convert PNG to ICO
- Add your fileDrop it on the page, choose it from your device, or paste it with Ctrl+V.
- ConvertAdjust settings if you like, then press the button. You'll see live progress.
- Browser processing uses original files on your device. Public-link downloading is unavailable.
What happens to your file
PNG files are common for logos, screenshots, graphics with transparency, but not every app or device opens them. ICO works best for website favicons, Windows icons. Spool converts PNG to ICO with FFmpeg and libheif/Pillow — real decoding and encoding, not a renamed file extension.
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
The ICO file includes 16, 24, 32, 48, 64, 128 and 256 px sizes, so it is ready to use as a website favicon or Windows icon.
PNG vs ICO
| PNG | ICO | |
|---|---|---|
| Full name | Portable Network Graphics | Windows Icon |
| Created by | W3C, 1996 | Microsoft, 1985 |
| Type | Image | Image |
| Typical contents | lossless DEFLATE compression with alpha channel | multi-resolution icon container (PNG/BMP) |
| Best for | logos, screenshots, graphics with transparency | website favicons, Windows icons |
| Strength | Lossless quality | Holds several icon sizes in one file |
| Weakness | Large files for photographs | Only for small icons |
About PNG
- Type
- Portable Network Graphics
- Contains
- lossless DEFLATE compression with alpha channel
- Use
- logos, screenshots, graphics with transparency
About ICO
- Type
- Windows Icon
- Contains
- multi-resolution icon container (PNG/BMP)
- Use
- website favicons, Windows icons
FAQ
Are my photos uploaded?
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
Can I convert several PNG files at once?
Yes. Drop up to 10 files at a time — each one is converted in parallel and you can download them individually or all at once.
Is there a file size limit?
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
Is this PNG to ICO converter free and safe?
Yes. There are no pop-ups, redirects or fake download buttons, and no software to install. Files are transferred over HTTPS, processed in isolated job folders and deleted automatically.