---
title: "Check-in Calculator – Chrome extension stats, history and permissions"
description: "1 users, rated 5.00 by 2 people. Version 0.1.0, updated 2026-09-23. Requests 1 permission."
url: "https://extensiontracker.com/extension/oifiigbmkgoojkfdjbkpknkgemgcgeog"
---

# Check-in Calculator

Live in the Chrome Web Store.

- Users: 1
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 06:54 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #254,214 of 264,699 live extensions
- Rank in Travel: #774 of 818

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Calculates when online check-in opens for a flight and shows it in the airport’s time zone and yours.

- Extension ID: `oifiigbmkgoojkfdjbkpknkgemgcgeog`
- Developer: [RusewwwDevUA](https://extensiontracker.com/developer/ue24fb813dd80ed983660353502c39f85)
- Category: [Lifestyle › Travel](https://extensiontracker.com/category/lifestyle/travel)
- First published: 2026-09-23
- Last updated: 2026-09-23
- Version: `0.1.0`
- Size: 589 KiB
- Minimum Chrome: 123
- Languages (3): Deutsch, English, українська
- Privacy policy: `https://rusewww.github.io/check-in_calculator/privacy.html`
- Chrome Web Store: <https://chromewebstore.google.com/detail/check-in-calculator/oifiigbmkgoojkfdjbkpknkgemgcgeog>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=oifiigbmkgoojkfdjbkpknkgemgcgeog>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 1 | 5.00 | 2 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `storage`: Save settings and data in your browser

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-09-27 06:54 UTC; next check around 2026-09-30.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Check-in Calculator” (oifiigbmkgoojkfdjbkpknkgemgcgeog). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/oifiigbmkgoojkfdjbkpknkgemgcgeog. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_oifiigbmkgoojkfdjbkpknkgemgcgeog,
  title   = {Check-in Calculator (oifiigbmkgoojkfdjbkpknkgemgcgeog)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/oifiigbmkgoojkfdjbkpknkgemgcgeog},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/oifiigbmkgoojkfdjbkpknkgemgcgeog>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.