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BMP to ICO icon

BMP to ICO Converter Online

Convert BMP images to real ICO files online for free. Create favicon and icon sizes from 16×16 to 128×128 with drag and drop, preview, and download.

100% FreeNo Signup RequiredPrivacy Friendly
Privacy note: this converter is designed for browser-based processing. Avoid passwords, private keys, payment data, or highly confidential files unless you understand the privacy model of the site.

📁 Drop BMP image here

or click to choose a BMP file

Generated Icon Preview:

Free BMP to ICO Converter Online

Convert BMP to ICO online with this free browser-based BMP image to ICO converter. Create a real ICO file for favicons, application icons, shortcuts, and other common icon uses without installing desktop software.

Choose a BMP image, select one icon size or generate a multi-size ICO containing 16×16, 32×32, 48×48, 64×64, and 128×128 images. The generated file uses a standard ICO header and image directory with embedded icon bitmap data.

BMP to ICO Features

  • Real ICO file output
  • 16×16, 32×32, 48×48, 64×64, and 128×128 icon sizes
  • Generate multiple icon sizes in one ICO file
  • Drag and drop BMP upload
  • BMP file type validation
  • Icon preview before download
  • Browser-based processing
  • No mandatory account or signup

What is a BMP to ICO converter used for?

An ICO file can contain one or more icon images at different resolutions. This is useful when an icon needs to appear at different sizes in browser tabs, desktop shortcuts, application interfaces, or other software environments. BMP is an image format, while ICO is an icon container format designed to hold icon image data.

How to Convert BMP to ICO

  1. Click the upload area or drag and drop a BMP image into the converter.
  2. Choose a single icon size or select all supported sizes.
  3. Click Convert to ICO.
  4. Preview the icon and click Download ICO.

BMP Image to ICO for Favicon and App Icons

You can use this converter to create an ICO file from a BMP image for common favicon and icon workflows. Selecting all sizes creates a single ICO file containing multiple resolutions, which can be useful when software or a browser needs an icon at different display sizes.

Frequently Asked Questions

Is the BMP to ICO converter free?
Yes. ToolsPoint provides this browser-based BMP to ICO converter as a free online utility with no mandatory account.
Does this create a real ICO file?
Yes. The converter creates an ICO file with an ICONDIR header, icon directory entries, and embedded DIB bitmap data. It does not simply rename a PNG file to .ico.
What ICO sizes are supported?
The converter supports 16×16, 32×32, 48×48, 64×64, and 128×128 pixels. You can generate one selected size or all five sizes in one ICO file.
Can I convert BMP to ICO for a favicon?
Yes. The 16×16 and 32×32 sizes are commonly used for small icon contexts, and you can include additional sizes in the same ICO file.
Can I drag and drop a BMP file?
Yes. Drag a BMP image onto the upload area. The tool validates the file and loads it before conversion.
Does BMP to ICO work on Windows and Mac?
The converter runs in modern web browsers on desktop and mobile devices, including common Windows and macOS browsers.
Are my BMP files uploaded to a server?
The conversion workflow is designed to process the selected image in your browser. Review the site's privacy information before using confidential files.