Convert BMP to ICO
Turn BMP files into ICO in seconds. Convert many files at once; everything happens on your device, so it's fast and private.
To convert BMP to ICO, drop your BMP file into AnyView and click the “ICO” button. Your ICO file downloads in seconds. It's free, needs no sign-up, and the file is converted inside your browser — never uploaded.
Open HWP, Figma, archives, mail, CAD and 200+ formats right on your device — offline, from the Files app or the share sheet.
How to convert
- Drop your BMP files into the box above, or click to choose.
- Under "Convert to", click ICO.
- Your ICO file downloads automatically when it's done.
Uncompressed Windows bitmap. Large files, but supported by almost every program.
Icon format used for Windows icons and website favicons. Holds several sizes in one file.
When to use it
- ICO is the format browsers and Windows use for favicons and app icons.
Format comparison: BMP vs ICO
| BMP | ICO | |
|---|---|---|
| Transparent background | No | Yes |
| Animation | No | No |
| Compression | Uncompressed / vector | Lossless |
| Opens on Windows (built-in) | Yes | Yes |
| Opens on Mac (built-in) | Yes | Partly |
| Opens on iPhone (built-in) | Partly | No |
| Shows in web browsers | Partly | Yes |
FAQ
Is it really free?
Yes. No sign-up and no watermark. The site is supported by ads, and Pro removes them.
Are my files uploaded?
No. Every conversion runs inside your browser on your own device, so private documents stay private.
What's the difference between BMP and ICO?
BMP: Uncompressed Windows bitmap. Large files, but supported by almost every program. ICO: Icon format used for Windows icons and website favicons. Holds several sizes in one file.
Does it work on my phone?
Yes. It works the same in iPhone and Android browsers.