Text to Calendar

Edit ICS Calendar Files Online

Create, edit, and export ICS calendar files for Google Calendar, Outlook, and Apple Calendar. Import existing .ics files or start from scratch - 100% free with no registration required.

Open ICS Editor

What is an ICS File?

ICS (iCalendar) files are the universal standard for calendar data. They can be imported into Google Calendar, Apple Calendar, Outlook, and virtually any calendar application. This editor helps you create and modify these files without any technical knowledge.

Features

  • Import existing ICS files
  • Create events from scratch
  • Edit event details easily
  • Export to any calendar app

How to Use the ICS Editor

1

Import or Create

Drag and drop an existing ICS file, paste raw ICS content, or click "Add Event" to create events from scratch.

2

Edit Details

Modify event titles, dates, times, locations, descriptions, and set custom reminders for each event.

3

Download & Import

Download your finished ICS file and import it into Google Calendar, Outlook, Apple Calendar, or any calendar app.

Common Use Cases

Business Events

Create meeting schedules, conference agendas, or team event calendars to share with colleagues.

Academic Schedules

Build class schedules, exam dates, assignment deadlines, or semester calendars for students.

Personal Events

Plan birthdays, anniversaries, vacations, appointments, or any personal milestones.

Event Organizers

Create event calendars for conferences, workshops, webinars, or community gatherings.

Frequently Asked Questions

What calendars are compatible with ICS files?
ICS files are universally compatible with all major calendar applications including Google Calendar, Microsoft Outlook, Apple Calendar (iCal), Yahoo Calendar, Mozilla Thunderbird, and most other calendar software. The ICS format is an open standard (RFC 5545) designed for maximum interoperability.
Is my data secure when using this editor?
Yes, absolutely. All ICS file editing happens directly in your browser. Your data never leaves your device unless you explicitly choose to upload or import a file. We don't store any of your calendar events on our servers, ensuring complete privacy.
Can I edit ICS files with multiple events?
Yes! The editor fully supports ICS files containing multiple events. You can import files with dozens or even hundreds of events, edit individual events, add new ones, or remove events as needed. All events will be preserved when you download the updated ICS file.
Do I need to install any software?
No installation required! The ICS Editor is completely web-based and works directly in your browser. You can access it from any device with a modern web browser - desktop, laptop, tablet, or smartphone. Just visit this page and start editing.
How do I import an ICS file into my calendar?
After downloading your ICS file, you can import it into most calendar apps by either: (1) Double-clicking the file to automatically open it in your default calendar app, (2) Using the "Import" function in your calendar app (usually found in Settings or the File menu), or (3) Dragging the ICS file directly into your calendar application.
Is this ICS editor free to use?
Yes, the ICS Editor is completely free to use with no limitations. You can create, edit, import, and export as many ICS files and events as you need without any cost or registration requirements.

Why Use Our ICS Editor?

Lightning Fast

Edit and create ICS files instantly with our optimized browser-based editor

100% Private

All processing happens locally in your browser - your data never leaves your device

No Installation

Works on any device with a web browser - desktop, mobile, or tablet

Easy to Use

Intuitive interface - no technical knowledge required to create or edit ICS files

Start Editing ICS Files

Need to extract events from text, images, or documents? Try Text To Calendar

Complete Guide to ICS Calendar Files

What is an ICS File?

An ICS file (iCalendar format) is a universal calendar file format standardized by the Internet Engineering Task Force (IETF) in RFC 5545. ICS stands for iCalendar, and these files contain calendar event information in a plain-text format that any calendar application can understand and import.

The ICS format was designed to be platform-independent and application-agnostic, making it the perfect solution for sharing calendar events across different systems. Whether you use Google Calendar, Microsoft Outlook, Apple Calendar, Yahoo Calendar, or any other calendar software, ICS files provide seamless compatibility.

Why Use an ICS File Editor?

While most calendar applications allow you to create events, an ICS file editor gives you direct control over the calendar file itself. This is particularly useful when you need to:

  • Bulk edit multiple events at once
  • Fix corrupted or improperly formatted ICS files
  • Create calendar templates for recurring use
  • Modify events without accessing your calendar application
  • Prepare calendar files for distribution or sharing
  • Convert event data between different calendar systems
  • Preview and validate ICS file contents before importing

ICS File Structure and Format

ICS files use a simple text-based structure with specific tags and properties. Each ICS file begins with BEGIN:VCALENDAR and ends with END:VCALENDAR. Between these tags, you'll find individual events marked by BEGIN:VEVENT and END:VEVENT tags.

Each event contains properties like SUMMARY (event title), DTSTART (start date/time), DTEND (end date/time), LOCATION, DESCRIPTION, and optional fields for reminders (VALARM), recurrence rules (RRULE), and more. Our ICS editor handles all this complexity for you, providing a user-friendly interface to edit these properties without needing to understand the technical format.

How to Import ICS Files into Popular Calendar Apps

Google Calendar:

Open Google Calendar, click the gear icon → Settings → Import & export → Select file → Choose your ICS file → Select destination calendar → Import.

Microsoft Outlook:

Open Outlook, go to File → Open & Export → Import/Export → Import an iCalendar (.ics) file → Browse to your ICS file → Open.

Apple Calendar (macOS/iOS):

On Mac: Double-click the ICS file, and it will automatically open in Calendar. On iOS: Tap the ICS file attachment in Mail or Files, then tap "Add All" to import events.

Yahoo Calendar:

Open Yahoo Calendar → Click the gear icon → Import → Choose file → Select your ICS file → Import to calendar.

Best Practices for Creating ICS Files

  • Use clear, descriptive event titles that make it easy to identify events at a glance
  • Include complete location information with addresses or room numbers when applicable
  • Add detailed descriptions for context, agendas, or important notes
  • Set appropriate reminders to ensure events aren't missed (15 minutes to 1 day before)
  • Use consistent time zones to avoid confusion with event timing
  • Test your ICS file by importing it into your calendar app before sharing
  • Keep file names descriptive (e.g., "team-meetings-january-2026.ics")

Privacy and Security Considerations

When using our online ICS editor, your privacy is paramount. All file processing happens entirely within your web browser using JavaScript. This means:

  • Your calendar data never leaves your device or is uploaded to our servers
  • We don't store, collect, or have access to any of your event information
  • You can use the editor offline once the page has loaded
  • No registration, login, or personal information is required
  • The editor works the same way whether you're connected to the internet or not

This client-side processing ensures complete data privacy while maintaining full functionality. You have complete control over your calendar files at all times.

Common ICS File Use Cases

ICS files are incredibly versatile and used across many scenarios:

  • Event organizers: Distribute conference schedules, workshop agendas, or festival lineups
  • Educational institutions: Share academic calendars, class schedules, exam dates, and assignment deadlines
  • Businesses: Distribute company holidays, meeting schedules, project milestones, and team events
  • Sports leagues: Share game schedules, practice times, and tournament brackets
  • Healthcare: Send appointment reminders and medication schedules
  • Travel: Create itineraries with flight times, hotel bookings, and activity reservations
  • Subscription services: Provide delivery schedules, billing dates, or service appointments
  • Community organizations: Share volunteer schedules, club meetings, and community events

Troubleshooting Common ICS File Issues

ICS file won't import:

Check that the file has a .ics extension and is properly formatted. Try opening it in our editor to identify any errors.

Events showing wrong times:

Time zone mismatches are common. Ensure the DTSTART and DTEND values include correct timezone information or are in UTC format.

Missing event details:

Some calendar apps may not display all ICS properties. Import the file into different calendar applications to see which best supports your needs.

Duplicate events after import:

This can happen if you import the same ICS file multiple times. Delete duplicate events manually or clear your calendar before re-importing.

ICS vs Other Calendar Formats

While ICS (iCalendar) is the most universal format, you may encounter other calendar file formats:

  • VCS (vCalendar): The predecessor to ICS, now largely obsolete but still supported by some older systems
  • CSV: Simple comma-separated values, supported by some calendar apps but lacks many features of ICS
  • Outlook MSG: Microsoft Outlook's proprietary format, only works with Outlook applications
  • Google Calendar Export: Usually provided as ICS format, fully compatible with our editor

ICS remains the gold standard due to its comprehensive feature set, universal compatibility, and open standard status. When in doubt, choose ICS for the widest possible compatibility.