Hydrogen Calendar Embeds
The free, simple, lightweight way to embed beautiful, fully customizable ICS calendars into your WordPress site.
The facts
- Rating
- 4.4★ from 5
- Active installs
- 1k+
- Price
- Free
- Last updated
- 17 Jul 2026
- Added
- Jan 2026
- Requires WP
- 5.8
- Tested up to
- WP 7.0.4
- Requires PHP
- 7.4
- Downloads
- 4,712
Our analysis
AI-assistedHydrogen Calendar Embeds is a free WordPress plugin that allows you to embed any iCal (.ics) calendar into your site using the FullCalendar library. It supports various public ICS feeds, including Google Calendar, iCloud, and Outlook, enabling you to manage events from multiple sources seamlessly.
The plugin is lightweight and offers extensive customization options, allowing you to embed multiple calendars on a single page and choose different styles and views. It is designed for users who need a flexible calendar solution without the need for API keys or premium features.
Best for: This plugin is suitable for WordPress users looking to embed and manage multiple iCal calendars on their site.
What it does well
- ✓Completely free with no hidden features
- ✓Supports multiple ICS feeds
- ✓Customizable with CSS classes
- ✓Responsive design
- ✓Easy setup with WordPress Block or Shortcodes
Where it falls short
- •Limited information on specific customization capabilities
- •No detailed support resources mentioned
Verdict
Hydrogen Calendar Embeds provides a straightforward solution for embedding calendars, with a focus on flexibility and ease of use. It may be particularly useful for users needing to integrate various event sources without additional costs.
From the developer
LBell's own description of Hydrogen Calendar Embeds, lightly tidied.
This completely free, extremely light-weight plugin with explosive potential embeds ANY iCal (.ics) calendar into your WordPress site using the beautiful, time-tested FullCalendar library.
Nothing is hidden behind a “pro” upgrade. All features are free.
Works with any public ICS/iCal feed:
– Google Calendar
– iCloud
– Nextcloud Calendar
– Outlook
– Airbnb
– Pretty much anything that can output an ICS feed
Just add the new Hydrogen Calendar Embeds block, copy in your ical address(s), and BAM! a modern, responsive, beautiful calendar.
- Need two calendars in one? We got you.
- Need multiple different calendars on the page? Easy peasy.
- Prefer another color or style? We’ve got CSS classes for days.
- Need different functionality? It’s developer friendly, completely extendable, and infinitely customizable.
Highlights:
- Manage events using any external calendar of your choice
- Combine multiple ICS feeds into one calendar
- Embed multiple calendars on one page
- Lots of view options (Grid, Month List, Day List, Year List)
- Locale support
- Lots of customization options (and ability to add more)
- Lightweight and fast
- Responsive design
- Easy setup using WordPress Block or Shortcodes
- NO API KEYS REQUIRED
Contributing
Contributions are welcome! Please feel free to submit a Pull Request to the GitHub repository.
Support
For support, feature requests, or bug reports, please visit the GitHub repository.
You can also sponsor development at GitHub Sponsors.