Event Check-in List (saved on this device, CSV import/export)

Build a guest list, tick people off as they arrive and record the check-in time. Search, filter, sort, paste or import CSV, and export CSV. The list stays in this browser and is never synced.

  • Runs in your browser (no upload)
This list is saved only in this browser on this device. It is not synced with other devices or other staff. If several desks check people in, export a CSV from each one afterwards and compare them.
Checked in
0 / 5
Not yet
5
Check-in rate
0%

Add a name

Guest list

This is a sample list. Adding or importing names replaces it.

Showing 5 of 5

Import a list

You can copy two columns, name and note, from a spreadsheet and paste them here.

Column 1 is the name and column 2 the note. A CSV exported by this tool also restores check-in status and times.

Export and data

Exports the whole list with check-in status and time (ISO 8601 in this device’s time zone).

Your entries are saved in this browser on this device.

How to use

  1. Add names (with optional notes), paste them from a spreadsheet or import a CSV file.
  2. Tick a person when they arrive to record the time. Use search or "Not checked in only" to find people fast.
  3. Export a CSV when you are done. If several devices checked people in, compare their CSV files.

FAQ

Can other staff see my check-ins on their devices?

No. The list and check-ins are stored only in this browser on this device (IndexedDB). Nothing is sent to a server or synced to other devices. With several desks, export a CSV from each device afterwards and compare them.

Is the list kept when I close the page?

Yes, as long as you reopen it in the same browser on the same device. Clearing browser data or private browsing removes it, so also keep a CSV of important lists.

What format are the check-in times in the CSV?

ISO 8601 with this device’s time-zone offset, for example 2026-11-06T14:03:05+09:00. Importing the file back into this tool restores the check-in status and times.

Notes & limitations

  • What you enter is processed only on this page and is not sent to YUCTS servers.
  • The list exists only in this browser on this device. There is no syncing, shared editing or real-time sharing between devices.
  • If you use the list in several tabs at once on the same device, the tab that saves last overwrites the others. Check people in from one tab.
  • Up to 5,000 people, 100 characters per name, 200 per note, and CSV files up to 2 MB.
  • Search ignores width and letter case (and Japanese kana type) but cannot match different spellings or readings of a name.