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iCalendar File Viewer - Online ICS Parser

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iCalendar File Viewer

Easily view and inspect .ics calendar files. Drag & drop, paste content, or load a sample — fully client‑side, no upload to server.

Drag & drop your .ics file here

or click to browse

Frequently Asked Questions

An ICS (iCalendar) file is a universal calendar file format used to store and share event information such as meetings, appointments, and reminders. It works across Google Calendar, Outlook, Apple Calendar, and many other applications.

You can open it with nearly any calendar software (Outlook, Google Calendar, Apple Calendar). If you only want to view its contents without adding events to your calendar, use this online viewer – it works directly in your browser without any installation.

No. All processing is done completely inside your browser using JavaScript. Your ICS file never leaves your device. We do not store, transmit, or share any file content.

ICS files may contain timezone definitions. Our parser currently shows the raw time values. If the event includes a TZID, the displayed time might differ from your local time. For accurate conversion, import the ICS into a calendar app that supports timezones.

This tool focuses on viewing ICS content. For conversion to CSV, JSON, or PDF you may need a specialized converter. However, you can copy the parsed details or download the original ICS file directly from here.

The viewer extracts the recurrence rule (RRULE) and displays it as a readable string. It does not expand every occurrence, because that could generate thousands of instances. Calendar apps handle expansion automatically when you import the file.
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