Why this tool is useful
Audit schedules, ownership and recurrence patterns in a spreadsheet while protecting formula-like summaries and keeping the source calendar inside the browser.
Local File Tools · runs locally
Private ICS Calendar Events to CSV
Flatten VEVENT records from a saved ICS calendar into spreadsheet-ready CSV with UID, summary, start, end, time zone, location, organizer, attendees, categories, recurrence and attachment counts.
Ready. Your working data stays in this browser.
Files and capture streams stay on this device. Processing uses browser APIs only; nothing is uploaded to YTSave, the media API or a proxy. No server copy is created, stored or left to delete. The file picker is cleared when processing starts, and disposable worker memory is destroyed after completion or cancellation. Preview and generated-output memory is released when you clear the tool or leave the page.
How it works
Each parsed VEVENT becomes one bounded CSV row; multiline text is escaped, list fields are flattened explicitly and spreadsheet formula prefixes are neutralized.
Practical example
Convert a conference calendar, sort events by start value, and find sessions without a location, organizer or stable UID before sharing the published schedule.
Validation
The calculation is deterministic and explains validation errors instead of silently changing invalid input.
Privacy boundary
Input and output remain in this tab. Copy and download happen through browser APIs without a server upload.
Result passport
Every run reports its tool mode, timestamp and input/output size so transformed data can be audited.