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ICS Merge & Deduplication Tool

Merge multiple ICS calendar files and automatically remove duplicate events based on UID and start time.

Select ICS Files to Merge

Upload files

or drag and drop

ICS files up to 10MB each

How it works

Select multiple ICS calendar files to merge
The tool will combine all events from all files
Duplicate events are identified by matching UID and DTSTART values
Only unique events are kept in the final merged calendar
Download the clean, deduplicated ICS file