Free Online BMP to ICO Converter

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your BMP file, once uploaded to our server will be deleted 15 minutes after upload so please download your converted BMP file before this time.

How to Convert your BMP to ICO Online?

Here are 2 simple steps to convert your BMP to ICO using our fast and free BMP converter tool.

Upload your BMP file

Click the "Upload a BMP File" button, then select a BMP to upload. The maximum file size is 100MB.

Download your ICO

Click the download link to receive your ICO file.

File format information for BMP and ICO

ExtensionBMP
Full NameBitmap Image File
TypeImage
Mime Typeimage/bmp
FormatBinary
Opens WithPaint.Net

BMP files are used to store bitmap images in a simple and uncompressed manner. Introduced by Microsoft in the 1980s as a standard image format for use with their Windows operating system, the format has evolved over the years and is still relevant today.

Due to the uncompressed nature of BMP files, they can quickly grow in size when using high resolutions. Modern formats such as PNG and JPEG can be used as an alternative when dealing with larger images or images where transparency is a requirement (PNG only).

The BMP format supports different pixel color depths, allowing creators to minimise file sizes if their content has a lower color depth. Due to their age and popularity, BMP files can be opened in most modern image editing applications without requiring conversion tools.

ExtensionICO
Full NameIcon
TypeImage
Mime Typeimage/x-icon
FormatBinary

An ICO file is a bitmap graphics format first introduced as part of the Windows operating system as a means of assigning a user-friendly visual indicator for applications that run on the operating system.

Multiple images can be stored within a single ICO file; these images can be of varying sizes and color depths, with the operating system choosing the most appropriate size when rendering an icon for a specific task.

As the ICO format has been around for many years and is still used today not only by Windows but also by other platforms, it is well supported with many 2D graphics applications able to export to the ICO file format.

Information for converting from BMP to ICO

Our BMP imaging tool will accurately convert your BMP file into a ICO image file using our high quality internal 2D rendering to create your final ICO ready for download. Your BMP file will be analyzed pixel by pixel in order to produce the most accurate conversion possible.

Frequently Asked Questions

How can I convert my BMP file to ICO?

First click the "Upload..." button, select your BMP file to upload. Your BMP file will be uploaded to our servers. When the BMP to ICO conversion has completed, you can download your ICO file straight away.

How long does it take to convert my BMP to ICO?

We aim to process all BMP to ICO conversions as quickly as possible, this usually takes around 5 seconds however this can be longer for certain files, so please be patient.

How accurate is the BMP to ICO conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development with new features being added every week.

Is there any loss in quality when converting my BMP file?

If you are converting your BMP file to a format that implements lossy-compression then yes, the quality will be reduced however the loss in quality is usually not noticeable and can result in much smaller file sizes.

Will the conversion affect the resolution of my converted BMP file?

No. When converting your BMP file our tool will not perform any resizing of your image and the resulting file will be the same resolution as your uploaded BMP file.