Now you can make calendar friendly files client-side. It outputs .ics files, so the files are compatible with all modern calendar software (Outlook, Apple Calendar, Google, etc.)

How To Use

Simply use the function...

download_ics(filename, subject, description, location, begin, end);

begin and end need to be formatted in a way that is friendly to Date()

Example

Demo

<a href="javascript:download_ics('demo', 'Demo Event', 'This is an awesome demo event', 'Sexy Land, AK', '8/7/2013', '8/9/2013')">Demo</a>

Dependencies

The tool uses 2 libraries from the following projects:

I've compressed them and included them into the source for the normal file. Other variations are available in the repo.

If you want IE to allow for either opening documents as well as saving documents, you can use my fork of FileSaver.js (https://github.com/nwcell/FileSaver.js)

Supported Browsers

Browser	Dependancies
Firefox 20+	FileSaver.js
Firefox ≤ 19	FileSaver.js, Blob.js
Chrome	FileSaver.js
Chrome for Android v28+	FileSaver.js
IE 10+	FileSaver.js
Opera Next	FileSaver.js
Opera < 15	FileSaver.js, Blob.js
Safari ≤ 6	FileSaver.js, Blob.js