BMP to ICO converter
Convert BMP images to multi-size ICO icon files. Fast, free, private, and processed entirely in your browser.
Drop your BMP images here
or choose up to 30 images from your device
Maximum file size: 20MB per image
Your images stay private
Images are processed directly in your browser and are never uploaded to our servers.
BMP vs. ICO
BMP stores bitmap pixels, while ICO is an icon container that can hold several icon sizes.
This tool creates a valid multi-size ICO file suitable for favicons, shortcuts, and applications.
How to convert BMP to ICO
- 1
Upload your BMP images
Drag up to 30 files in or choose them from your device.
- 2
Automatic icon conversion
Each BMP image is resized and packaged into a valid multi-size ICO file.
- 3
Review the results
Check the generated icon file for each image.
- 4
Download one or all
Save a single ICO file, or download everything together as a ZIP.
When to convert BMP to ICO
- Creating a website favicon
- Preparing a Windows shortcut or application icon
- Packaging several icon sizes into one file
- Using an icon workflow that does not accept BMP
Frequently asked questions
- Yes, completely free with no signup or usage limit.
- No. Conversion happens directly in your browser.
- The generated ICO uses common favicon and icon sizes from 16x16 through 256x256.
- ICO is expected by website favicons, Windows shortcuts, and application icon workflows.
- Yes, up to 30 at a time, downloadable individually or as a ZIP.
- Each image can be up to 20MB.
- Yes, in any modern mobile browser.