CSV to Calendar Event Converter
Turn UTC-timed CSV events into an iCalendar file with descriptions, locations and stable event identifiers.
Settings & files
Conversion settings
Open files
Text input up to 200,000 characters; files up to 2 MiB; up to 10 files in a ZIP batch. Table converters allow 1,000 rows and 100 columns. Text files must use UTF-8.
Try the example, paste input or open a file to begin.
Uses explicit UTC timestamps YYYY-MM-DDTHH:mm:ssZ. No recurring or all-day events are inferred. End must follow start. Other columns are not exported. No calendar account is contacted.
Conversion audit
File batch status
Saved comparisons · current tab
Using CSV to Calendar Event Converter
Turn UTC-timed CSV events into an iCalendar file with descriptions, locations and stable event identifiers.
- Select the conversion direction or source and target units, then review the format-specific settings.
- Paste your input, try an editable example or open files. Choose Convert and inspect the preview and audit.
- Download the actual result, export an audit or report, or convert up to 10 files into a ZIP. Review any errors before using the output.
Example
title,start,end,location,description Team meeting,2026-10-20T09:00:00Z,2026-10-20T10:00:00Z,Online,Weekly planning
Questions & answers
What can CSV to Calendar Event Converter convert?
Turn UTC-timed CSV events into an iCalendar file with descriptions, locations and stable event identifiers.
Which format rules should I check?
Uses explicit UTC timestamps YYYY-MM-DDTHH:mm:ssZ. No recurring or all-day events are inferred. End must follow start. Other columns are not exported. No calendar account is contacted.
Can I convert several files?
Yes. Open up to 10 files, select the settings and choose Convert files to ZIP. The status table identifies converted and failed files. The downloaded ZIP includes outputs and an audit; failures are not silently treated as successful.
How do I check the result?
Review the converted preview and audit before downloading. Check the stated format limitations, especially timing precision, omitted CSV columns and address metadata. Binary output downloads the actual bytes, not the hex preview.
What are the limits?
Text input up to 200,000 characters; files up to 2 MiB; up to 10 files in a ZIP batch. Table converters allow 1,000 rows and 100 columns.
Is input sent to a conversion service?
The conversion runs locally in a browser worker with bundled scripts. No conversion API is called. Copying and downloads happen only when you click their buttons. Saved comparisons stay in this tab and are cleared by reload. Ad-supported pages can load third-party scripts.
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