Convert ICS to HTML Online

1) Upload ICS file to convert

Drop files here, or Click to select

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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

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Total Excel Converter

Total Excel Converter supports almost all Excel extensions: XLS, XLSX, XLSM, XLSB, XLT, XLTM, XLTX, XLK, XLW. When the new Office is released, we will add new file types too.

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How to convert ICS to HTML?

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.

Cloud Based

There is no need to install any software to convert ICS to HTML with CoolUtils. Simply access the internet, and you can easily convert your file online with our service.

Secure

Our hardware operates in top-tier, highly secure data centers equipped with advanced electronic surveillance and multi-factor access control systems.

Ease of Use

Converting from ICS to HTML has never been so simple. Our intuitive interface lets you convert files in just a few clicks.

Privacy

We understand the importance of privacy, which is why we've developed a comprehensive privacy policy detailing how we handle your files and personal information. You can read the policy here.

ICS 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

HTML File

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

Rating ICS to HTML

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FAQ ▼

How do I convert a ICS to HTML for free?

To convert ICS to HTML for free using Coolutils, simply upload your file on our website, select HTML as your output format, and click "Convert." Our service offers a limited number of free conversions per day without registration.

How do I save an ICS as a HTML?

To save your ICS as a HTML with Coolutils, upload your file, choose HTML from the dropdown menu of available formats, adjust any settings if needed, and click "Convert." Once conversion is complete, download your new HTML file directly to your device.

How do I open a ICS file?

If you don't have software to open a ICS file, Coolutils can help. Convert it to a more accessible format like PDF or DOCX using our online converter. Simply upload your ICS file, select your preferred output format, and convert it for immediate viewing.

Is it safe to convert my files online?

Yes, converting files with Coolutils is safe. We use secure HTTPS connections, automatically delete all uploaded files within 24 hours, and never share your documents with third parties. For sensitive information, we also offer offline converter solutions.

Can I convert files using my mobile device?

Absolutely! Coolutils is fully compatible with mobile devices. Our responsive website works on smartphones and tablets running iOS or Android. Simply visit our website through your mobile browser, upload your file, select the desired output format, and convert it—no app installation required.

ICS to HTML: Publish iCalendar Events to the Web

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.

What Is an ICS File?

.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.

What You Get

Readable agenda layout: Events grouped by day with start–end time, title, location, and notes.
Accurate timing: Honors TZID and all-day flags; normalized to a consistent view for the page.
Recurrences expanded: RRULE series are unfolded so every actual occurrence is listed.
Links preserved: Conference URLs and hyperlinks inside descriptions remain clickable.
Optional details: Show organizer and attendees when present in the ICS.
Print-friendly: Sticky headers, zebra striping, and page styles for clean print/PDF from the browser.

Before You Convert (Best Practices)

Select the range: Export only the dates you need (week, month, quarter) to keep the HTML concise.
Verify time zone: Use a consistent TZID; mixed sources can cause offset surprises.
Clean titles: Short, consistent SUMMARY values improve scanning (e.g., “Team Sync – EMEA”).
Put key info in DESCRIPTION: Agenda, dial-in links, doc URLs—so they show up in the HTML.
Privacy check: Remove sensitive notes if the page will be public.

Formatting Tips in the Output

Long notes: Wrapped text keeps pages narrow; use concise descriptions where possible.
Grouping: Daily headers make busy schedules easier to skim; consider splitting very large ranges by month.
Embedding: The HTML is standalone—drop it into your CMS/template and add your own CSS if desired.
Printing: For dense days, print in Landscape to avoid line wrapping.

Troubleshooting

“File not recognized”: A valid ICS must include BEGIN:VCALENDAR with one or more VEVENT blocks.
Wrong times: Check for floating times (no time zone) or DST transitions; re-export with explicit TZID.
Missing repeats: Malformed/unsupported RRULE or exceptions can hide instances—validate the source calendar.
Garbled characters: Save the ICS as UTF-8 and ensure lines are folded per RFC 5545 rules.
Huge output: Split by month or calendar; browsers render faster with smaller pages.

Notes & Limitations

Static snapshot: HTML won’t include reminders, alarms, or live updates—it’s for viewing/printing.
Attachments/media: ATTACH references aren’t embedded; include links in descriptions instead.
Multiple calendars: If your ICS mixes calendars, headings can include calendar names when available.

Privacy & Workflow

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

Convert ICS to HTML Online

How to convert ICS to HTML?

ICS File

HTML File

FAQ ▼

How do I convert a ICS to HTML for free?

How do I convert a ICS to HTML for free?

How do I save an ICS as a HTML?

How do I save an ICS as a HTML?

How do I open a ICS file?

How do I open a ICS file?

Is it safe to convert my files online?

Is it safe to convert my files online?

Can I convert files using my mobile device?

Can I convert files using my mobile device?

ICS to HTML: Publish iCalendar Events to the Web

What Is an ICS File?

What You Get

Before You Convert (Best Practices)

Formatting Tips in the Output

Troubleshooting

Notes & Limitations

Privacy & Workflow

Convert from ICS

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