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How to Change an ICO File from Image PNG

Top 10 Online Converter-PNG to ICO

By Kendra D. Mitchell |

Top 10 Online Converter-PNG to ICO

An ICO is an image file format that is used for computer icons in Microsoft Windows. The executable programs in Windows which display an icon are in ICO format. So if you have PNG files that you want to use as computer icons, conversion to ICO format is required. Using a decent PNG to ICO converter, the task can be accomplished in a hassle-free manner.

Part 1. Top 10 PNG to ICO Converter Online for Free

With a myriad of options available for PNG to ICO converter online tools, selecting one is a difficult task. To help you with the same, we have shortlisted the top 10 popular PNG to ICO conversion programs.

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This is a simple to use an online program that facilitates converting PNG files to ICO format. Local, as well as online images, can be added to the interface for the process. Up to 50 images with a maximum size of 2MB each can be added to the program. Upon quick conversion, the processed ICO file can be downloaded to your PC.

PNG to ICO File-Convertico
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Zamzar is a popular online tool that supports a wide range of file conversion, including PCO to ICO. PNG files on your computer or the link can be added to the interface. In addition to ICO, several other image formats are also supported by the tool. The converted files can be received on your mail or can be downloaded directly from the interface.

Convert PNG format to ICO-Zamzar
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Online Converter


PNG images from the computer, link, Dropbox, and Google Drive can be added to the Online Converter interface for conversion to ICO and other formats. With optional settings, you can change the size and dpi of the image. Images can also be cropped if required. The conversion settings for future files can also be saved.

change PNG to ICO-Online Converter
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PNG files on the computer or the link can be added to AConvert interface for converting it to ICO icon. The program allows customizing the icon and selecting the size as needed. This PNG to icon online converter comes with a simple interface and features fast process, after which the files can be downloaded to your system.

change PNG file to ICO file-AConvert
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ICO Convert


Icons from PNG as well as JPG images, can be created using this free online tool. You can even crop and resize the added image to create a desired icon. Option to add the borders, shadows, and different styles are also there. The program also gives you a choice to choose the predetermined icon size or create it specifically for Windows system. PNG 2 ICO Processed files can be downloaded to the computer.

turn a PNG to ICO-ICO Convert
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Convert your PNG on the system, link or cloud storage to ICO icon in a simple and hassle-free manner using Convertio. Multiple files at a time within 100MB of size can be added to the interface for processing. Once converted, you can download the icon to your computer or save it directly to your cloud storage account.

PNG to ICO conversion-Convertio
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Online Converter Free


With this free to use the simple program, PNG files can be browsed and added to the interface for the process. In addition to ICO, several other target file formats are also supported by the tool. Two files at a time can be processed using the program. The converted files can be downloaded to your PC.

PNG to ICO format-Online Converter Free
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PNG, JPG, and BMP images on your system can be converted to ICO icons using this online tool. The file, once loaded, can be cropped as needed. Height and width of the output icon can also be selected from the given choices. There is also an option to choose the smallest file size and fill the icon background with the desired color.

turn a PNG to ICO file-Redketchup
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This is a simple online tool that allows converting PNG images to ICO and app icons for Windows, Linux, and Android systems. The process of conversion is quick and straightforward, where you need to upload the desired image from your computer, and it is then ready in the ICO format to be downloaded.

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ICO icon files from the PNG image can be created using this simple and fast online tool. The program needs no software download and works straight from the interface. The created ICO file can be downloaded to your system or can be saved to Google Drive, Dropbox, or Box account. Option to choose the icon size is also there in this PNG to ICO online tool.

PNG to ICO convert online-HIPDF

Part 2. ICO Details

a. What is an ICO File?

An ICO is an image icon file that is majorly used for Windows file, folder or other programs. These files contain one or more images in different sizes and color depths that can be scaled as required. An ICO file is similar to that of CUR files used in the Windows and ICNS files that are used on Mac systems. On your Windows systems, all the executables files are in ICO format, and these images are in the range of 16 X 16 to 256 X 256.

b. How to Open ICO Files in Windows and Mac?

Several programs facilitate opening ICO icon files on your Windows and Mac system. Some of these popular programs on Windows system include File Viewer Plus, Microsoft Photos, Microsoft Paint, IcoFX, IrfanView, GIMP, and others.

On the Mac, the popularly used programs are Apple Preview, GIMP, Inkscape, Snap Converter, Lemkesoft GraphicConverter, and Iconographer.

If you are looking for solutions on how to convert PNG to ICO, above listed online tools is there to help you. Change PNG to ICO using one of these programs that best suit your requirements.

A useful image converter software for download and register free now.

Wondershare UniConverter
  • · Support batch processing of image to PNG conversion.
  • · Convert image to JPG, PNG, BMP, TIFF, GIF, and others.
  • · Convert to PNG or specific devices formats without any trouble.
  • · Transfer converted files from PC/Mac to external devices easily via a USB cable.
  • · Versatile toolbox combines Image Converter, GIF maker, video compressor and screen recorder, and others functions.

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