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What is an ICO file?
File extension
.ico
Category
Image file formats
Developed by
Microsoft
Mime type
image/x-icon
Format description
ICO are icon files used by Windows and, often, the web. An ICO file can store one or more images in different sizes, so that they can be appropriately selected based on usage. ICO files can have a size of 256x256 pixels at most.
Common questions about ICO conversions
How to open an ICO file?
If you don't know how to view an ICO file, you can convert it to another format you already recognize. You can use MConverter for the conversion.
Can I convert ICO files in bulk?
Yes, MConverter supports batch converting of multiple ICO files at once. You can even drag and drop folders containing ICOs. Pasting ICO files and folders copied in the clipboard also works: use Ctrl+V.
Can I convert an ICO file, if its size is 2 GB?
Yes, with MConverter Pro you can convert big ICOs, up to 2 gigabytes each. The free version lets you convert files up to 100 MB. If you need to convert ICO files over 100 megabytes, try MConverter Pro. If your files aren’t over 1 GB, then you can use MConverter Plus instead, as it’s cheaper.
Is converting ICOs safe with MConverter?
Yes, we encrypt your connection using industry standards. Plus, your ICO files are only accessible by you. 4 hours after the conversion completes, they are automatically deleted from MConverter’s servers. You can also delete your ICOs and other converted files immediately after finishing the conversion by clicking the bin icon. Join thousands who have trusted us to convert over 12,547,087 files so far.
How long does it take to convert ICO?
For most images, the wait should be less than a minute. If they are animated, it may take a little longer. However, MConverter also supports converting larger images, meaning that it could take a while (up to over an hour, for example).
ICO Converter Rating
4.6
407 votes
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