Convert ICS to ICO
Convert ICS to ICO instantly in your browser. Free, fast, and private - your files are processed locally on your device.
Drop your ICS files here
Up to 10MB per file.
Conversion Settings
Automatic lists every event when the calendar is short, or the next three months of a large calendar. Repeating events are listed on each date they occur.
Files never leave your browser
How to Convert
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Upload your ICS files
Drag and drop or select ICS files from your device. You can upload multiple files at once.
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Configure Output
Choose any available ICO output options, then start the conversion.
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Download ICO files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert ICS to ICO?
ICS is the iCalendar format calendar apps use to share events with their dates, times, locations, and descriptions. Converting it to ICO creates a Windows icon container that can store several icon sizes in one file, ready for workflows that use the destination format.
ICO is the native icon format for Windows shortcuts and applications, and opens in many icon and image editors.
Frequently Asked Questions
How do I convert ICS to ICO?
Add your ICS file, choose a date range in the settings if you want one, and start the conversion. Each ICO page is an agenda with events grouped under each day. A long agenda comes as a ZIP of numbered pages.
Which events are included in the ICO?
Automatic lists every event of a short calendar. When a calendar holds more than 150 events, it lists the next three months, or the last three months that have events if nothing is coming up. You can choose the next month, 3 months or 12 months, all events, or your own start and end dates. One agenda lists up to 1,000 events.
How do repeating events appear in the ICO?
Each repeating event is listed on every date it occurs within the range. Skipped dates are left out, occurrences that were moved appear at their new time, and cancelled events are not listed. Events that repeat without an end date are listed up to 12 months ahead when you choose all events.
Which time zone are the ICO times shown in?
Times are shown in the calendar's own time zone: the one Google Calendar and similar apps record for the calendar, or otherwise the zone most of its events use. Events set in another zone are converted, and all-day events stay on their dates. The zone is named under the title.
What does each entry in the ICO show?
Each entry shows the time, the event title, the place and the start of its description. Links and attachments are shown as text and never opened, so the agenda contains only what is written in the file.
Does ICS to ICO run in my browser?
Yes. The ICO pages are drawn in your browser, so your calendar does not leave your device. Calendar files can be up to 10MB.