Which calendar apps accept the file?

Any app that supports iCalendar: Google Calendar, Outlook, Apple Calendar, Thunderbird and most others.

How are time zones handled?

Timed events are written as floating local time, so they open at the same wall-clock time in the importing calendar. All-day events use DATE values.

Does it send invitations?

No. It only builds the file; attendees are listed inside it so your own calendar client can send the invite.

Is my data uploaded to a server?

No. This tool runs entirely in your browser using standard web APIs, so your input never leaves your device and nothing is logged or stored on our servers.

Does it work offline and on mobile?

Yes. Once the page has loaded it keeps working without a network connection, and the layout is responsive so it stays usable on phones and tablets.

ICS Calendar Event Generator

Build a downloadable .ics calendar invite with reminders and recurrence.

Support

Works Offline

Privacy First

No Login

No API

Event details

Everything stays in your browser

Title

All-day event

Show as busy

Starts

Ends

Repeats

Reminder

Location

URL

Organizer email

Attendeescomma separated

Description

events.ics

RFC 5545 iCalendar — import into Google Calendar, Outlook or Apple Calendar

BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Coders Hub//ICS Event Generator//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:39fa1fd5-23b5-4862-830b-0bdebccf9d27@coders-hub.com
DTSTAMP:20260822T204145Z
DTSTART:20260822T210000
DTEND:20260822T220000
SUMMARY:Team sync
TRANSP:OPAQUE
END:VEVENT
END:VCALENDAR

About the ICS Calendar Event Generator

Create a valid RFC 5545 iCalendar (.ics) file for any event: title, location, URL, description, organizer and attendees, all-day or timed, recurrence rules such as daily, weekly or every weekday, a display reminder, and busy/free status. Text is escaped and long lines folded exactly as the spec requires, so the file imports cleanly into Google Calendar, Outlook and Apple Calendar.

Examples

Weekly standup

Team sync, Mon 09:00, repeats weekly

Output

BEGIN:VEVENT ... RRULE:FREQ=WEEKLY

Keyboard shortcuts

Copy the main outputCtrl / ⌘ + Shift + C
Download the resultCtrl / ⌘ + S
Share this toolCtrl / ⌘ + Shift + S
Reset the inputsAlt + R
Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-22 · Runs entirely in your browser