What size should my BMP be for ICO conversion?

Standard ICO sizes are 16×16, 32×32, 48×48, and 256×256 pixels. For a favicon, 32×32 or 16×16 is standard. imagetogif creates an ICO at the size of your source BMP.

Can I create a favicon from a BMP file?

Yes! Create a 32×32 or 16×16 BMP of your logo, convert to ICO with imagetogif, then upload it as your favicon. Name the file favicon.ico and place it in your website's root directory.

Is the converter free?

Yes. imagetogif is completely free with no account, no limits, and no watermarks.

Convert BMP to ICO Online (Free & Private)

Convert BMP images to ICO format to create Windows icons and favicons. Runs entirely in your browser with no uploads.

No uploads, stays on your deviceFree foreverNo watermarksAI-powered

Drop an image or click to upload

Supports JPG, PNG, WebP, SVG, GIF

or paste with Ctrl+V

🔒 Your image never leaves your device

How to Convert BMP to ICO

Prepare a square BMP image at your desired icon size (e.g., 32×32 or 256×256).

Upload the BMP using the upload button or drag and drop.

imagetogif converts the BMP to ICO format in your browser.

Download your ICO file and use it as a Windows icon or website favicon.

When to Convert BMP to ICO

Creating a Windows application icon from a BMP logo or graphic

Making a website favicon from a BMP image

Converting custom BMP artwork to use as a folder icon in Windows

Creating ICO files for Windows software installers

Making custom desktop icons from BMP images

Converting BMP graphics for use as taskbar icons

BMP to ICO Tips

Use a square BMP at 32×32 or 256×256 for best results

Keep your icon design simple, because icons are small and fine details get lost

For website favicons, 32×32 is the recommended size

Transparent backgrounds are better handled by converting PNG to ICO instead

BMP to ICO Converter Features

Private

BMP files are processed in your browser and never uploaded.

Favicon Ready

Create website favicons or Windows icons instantly.

Free Forever

No account, no cost, no watermarks.

Instant

Local processing with no upload delays.

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Frequently Asked Questions

Everything you need to know

ICO files are Windows icon files used for application icons, folder icons, and website favicons (the small icon shown in browser tabs).