HomeImage ConverterBMP ConverterConvert BMP to ICO

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

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

A BMP (Bitmap) file is a widely used image file format that stores graphic data in a straightforward, uncompressed manner. Developed by Microsoft, BMP files are known for their simplicity and compatibility across different platforms and software. In this file format, each pixel of the image is directly represented by a fixed number of bits, allowing for easy pixel manipulation and precise color control. BMP files can support various color depths, including 1-bit monochrome, 8-bit grayscale, and 24-bit true color, making them suitable for different types of images ranging from simple icons to high-quality photographs.

One of the key characteristics of BMP files is that they do not use any form of compression, resulting in larger file sizes compared to other image formats like JPEG or PNG. Due to their uncompressed nature, BMP files preserve image quality without any loss or degradation, making them ideal for tasks that require pixel-perfect representation, such as image editing and graphics design. However, this lack of compression comes at the cost of larger file sizes, which may become a concern when dealing with numerous images or limited storage space.

Although BMP files offer excellent image fidelity and are supported by virtually all image editing software, their uncompressed nature and larger file sizes have led to the rise of more efficient formats for everyday use. Despite this, BMP remains relevant in specific applications and industries where precise representation and lossless image quality are critical, ensuring its continued usage and relevance in the ever-evolving world of digital images.

Full NameIcon
Mime Typeimage/x-icon

An ICO file, short for "Icon file," is a computer graphics file format commonly used to represent icons for applications, programs, and files in Microsoft Windows operating systems. These files have a .ico extension and can contain multiple images with different sizes and color depths within a single file. ICO files are designed to provide visual representations of the associated programs or files, helping users quickly identify and access them from the desktop, taskbar, or file explorer. Each image within the ICO file typically corresponds to a specific resolution, such as 16x16, 32x32, or 48x48 pixels, to ensure proper display on various screen sizes and contexts.

The ICO file format supports various color depths, including 1-bit monochrome, 4-bit, 8-bit, 24-bit, and even 32-bit with an alpha channel for transparency. When an application or file is accessed, Windows selects the most appropriate image from the ICO file based on the user's display settings and the context in which the icon is being used. For example, in a file explorer, smaller icons may be used to represent files in a list view, while larger icons are displayed in a thumbnail view. This flexibility allows for smooth scaling and optimal visual appearance across different Windows environments.

ICO files are essential for creating a visually cohesive and intuitive user interface on Windows platforms. Designers and developers often use specialized software to create and edit ICO files, ensuring that icons are visually appealing and serve their intended purpose effectively. With the increasing popularity of custom-designed icons, ICO files play a crucial role in branding and user experience, enabling businesses and developers to leave a lasting impression on their users through distinctive and recognizable visual elements.

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.