1) Upload ICS file to convert
Drop files here, or Click to select
Allowed file types: qif, iif, srt, ics, feather, excel, ris, bib, ods, xls, xlsx, xlsm, csv, tsv, tab, xlsb, xltx, xlr, pxl, qpw, wb3, wq1, dbf, wk3, 123, mdb, evtx, pages, numbers, sqlite
2) Set converting ICS to HTML options
3) Get converted file
Upload Your File: Go to the site, click on «Upload File,» and select your ICS file.
Set Conversion Options: Choose HTML as the output format and adjust any additional options if needed.
Convert and Download: Click «Download Converted File» to get your HTML file.
File extension | .ICS |
Category | File |
Description | ICS (iCalendar) is a plain-text calendar exchange format for events, to-dos, journals, free/busy data, and time zones. It supports recurrence rules (RRULE), exceptions (EXDATE), and TZID-based time zones for accurate scheduling across systems. |
Associated programs | Google Calendar, Apple Calendar, Microsoft Outlook, Mozilla Thunderbird, Evolution |
Developed by | IETF (RFC 5545) |
MIME type | text/calendar |
Useful links | https://datatracker.ietf.org/doc/html/rfc5545More detailed information on ICS files |
Conversion type | ICS to HTML |
File extension | .HTML |
Category | Document File |
Description | HTML allows creating structured documents and web pages. HTML file contains command tags in angular brackets that mark out each element like title, paragraphs, quotes, links, lists, etc. Web-pages generated with HTML have .html extension (for a static web-page). HTML code is processed by a browser, while user sees only the text and other elements of the page without any tags. The source code can be viewed separately. HTML files can be edited in a common text editor like a TXT file. |
Associated programs | Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome) |
Developed by | World Wide Web Consortium & WHATWG |
MIME type | text/html |
Useful links | More detailed information on HTML files |
Need a clean, shareable view of a calendar export? This online ICS-to-HTML converter turns
.ics
(iCalendar) files into tidy, browser-friendly HTML agendas you can email, post on an intranet,
or embed in a site—no installs, no signup. Upload your ICS, choose HTML, and download a self-contained page that opens in any browser.
.ics
is the iCalendar format used by Google Calendar, Apple Calendar, Outlook, booking systems, and project tools.
It can hold single events or entire schedules, with fields like SUMMARY, LOCATION, DESCRIPTION,
ATTENDEE, and time-zone-aware DTSTART/DTEND. Recurring series are defined by RRULE
and edited via
EXDATE
/RDATE
.
TZID
and all-day flags; normalized to a consistent view for the page.RRULE
series are unfolded so every actual occurrence is listed.TZID
; mixed sources can cause offset surprises.BEGIN:VCALENDAR
with one or more VEVENT
blocks.TZID
.RRULE
or exceptions can hide instances—validate the source calendar.ATTACH
references aren’t embedded; include links in descriptions instead.Conversion runs in your browser session and produces a downloadable HTML page in seconds. For recurring jobs—batch processing, watched folders, command-line automation, custom naming, watermarks, or PDF/A archiving—explore CoolUtils desktop tools. From raw ICS exports to a polished, shareable web agenda, this converter makes schedules easy to publish and simple to read.
Feature | Online Converters | CoolUtils Desktop | Excel Built-in | Other Software |
---|---|---|---|---|
Batch Conversion | Limited | ✅ Unlimited | Manual only | Limited |
File Size Limit | 1-5MB | ✅ No limits | System dependent | Varies |
Privacy & Security | Upload required | ✅ 100% offline | ✅ Local only | Varies |
Conversion Speed | Internet dependent | ✅ Fast local processing | Slow | Medium |
Advanced Options | Basic | ✅ Full customization | Limited | Basic |
Cost | Free/Premium | One-time purchase | Requires Office | Subscription |
Formatting Preservation | Good | ✅ Excellent | Good | Varies |
Multiple Formats Support | Limited | ✅ 40+ formats | Few formats | Limited |