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BMP to ICO Converter

Convert BMP images to ICO format for favicons and Windows icons. Generates multiple sizes (16, 32, 48, 64, 128, 256) in a single ICO file. All processing happens in your browser - your images never leave your device.

Click to upload or drag and drop

Multiple images supported (max 20MB)

Why Convert BMP to ICO?

Multiple icon sizes in a single file (16x16 to 256x256)
Standard format for website favicons
Windows application icon support
Professional branding for your website

Common Use Cases:

  • •Creating favicons from Windows BMP images
  • •Windows application icon development
  • •Desktop shortcut icons
  • •Professional brand identity

About BMP to ICO Conversion

ICO (Icon) format is the standard format for website favicons and Windows application icons. Our converter automatically generates multiple icon sizes (16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixels) in a single ICO file, ensuring your icon displays correctly across all browsers, devices, and Windows applications. Converting BMP images to ICO is perfect for creating favicons from Windows bitmap files or converting legacy bitmap icons to the modern ICO format.

How to Use

  1. 1.Upload your BMP image (recommended size: 256x256 pixels or larger for best quality).
  2. 2.The converter will automatically generate multiple icon sizes in the ICO file.
  3. 3.Click "Convert to ICO" to process your image.
  4. 4.Download the ICO file and use it as your website favicon or Windows icon.
  5. 5.Upload the ICO file to your website root directory or use it in your application.

Tips & Best Practices

  • •Use square images (1:1 aspect ratio) for best results.
  • •Recommended source image size: 256x256 pixels or larger.
  • •ICO files contain multiple sizes, so one file works for all use cases.
  • •For website favicons, upload the ICO file to your site root as "favicon.ico".
  • •Windows applications can use ICO files directly for application icons.

Frequently Asked Questions

What sizes are included in the ICO file?

Our converter generates 6 standard sizes: 16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixels, all in a single ICO file.

What size should my BMP image be?

We recommend using a BMP image that is at least 256x256 pixels for best quality. The converter will automatically resize it to create all necessary icon sizes.

Can I convert Windows bitmap icons to ICO?

Yes, our converter is perfect for converting Windows bitmap (BMP) icons to ICO format, making them suitable for modern use as favicons or application icons.