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ICS Calendar Inspector and Writer: VEVENT, RRULE

See what a .ics file really carries: folded lines, escapes, UTC vs floating times, recurrence rules. Then write simple events back as a clean calendar.
ICS sourceOr load an .ics fileSummaryStartEnd (optional)All-dayClock times areLocationDescriptionBuild .ics

- No VTIMEZONE interpretation. TZID times are shown as wall-clock strings exactly as written, and creation offers UTC or floating only.
- RRULE support is the FREQ/INTERVAL/COUNT/UNTIL subset; BY* rules are named and left unexpanded instead of guessed at.
- No calendar lookups, invitations, or scheduling: this reads and writes text, with no network at all.
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Paste, drop, or type to begin. Everything stays on this device.

paste an .ics to inspect it, or fill the form to build one

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