A PRACTICAL WORKFLOW
Step 1
Paste your ICS export and download event definitions as CSV. Times retain their original ICS representation; recurrence rules are recorded without expanding them.
Open ics calendar to csv →Step 2
For conflict checking, use a non-recurring export with UTC timestamps ending Z or all-day dates. Review each reported overlap and its duration.
Open calendar conflict checker →
Before you finish
The conflict checker rejects recurring and named-timezone events rather than guessing. Cancelled and transparent events are excluded. An empty report only covers the supported events you supplied.
Processing runs in your browser. Save outputs before leaving. Saved setups are optional and stored on this device; avoid saving sensitive data on shared computers.
All use cases →