Free Online PNG 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 PNG file, once uploaded to our server will be deleted 15 minutes after upload so please download your converted PNG file before this time.

How to Convert your PNG to ICO Online?

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

Upload your PNG file

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

Download your ICO

Click the download link to receive your ICO file.

File format information for PNG and ICO

ExtensionPNG
Full NamePortable Network Graphics
TypeImage
Mime Typeimage/png
FormatBinary
Opens WithPaint.Net, Photoshop

PNG files are a widely used graphics file format used in areas where high-quality images (often with transparency) are required while also retaining a small file size. They are one of the most common formats of file used for web and print mediums and are particularly useful for logos, icons, and other images where multi-level transparency is desired.

The format itself was created in the 1990's with the main aim of storing computer graphics in a high-quality format while minimising the required storage space. The longer-term aim was to displace the GIF file format and make PNG the number one format for non-lossy, high-quality image formats on the then-burgeoning world wide web.

One of the selling points of the PNG format is its support for multiple levels of transparency, making it superior to the GIF format, which can only handle a single level of transparency. Also, like GIFs, the PNG format supports palletizing image colors down to 256 or 16 colors to help reduce the file size of the PNG.

ExtensionICO
Full NameIcon
TypeImage
Mime Typeimage/x-icon
FormatBinary

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 PNG to ICO

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

Frequently Asked Questions

How can I convert my PNG file to ICO?

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

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

We aim to process all PNG 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 PNG 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 PNG file?

If you are converting your PNG 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 PNG file?

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