---
title: "WebClass Deadline Viewer – Chrome extension stats, history and permissions"
description: "35 users, no ratings yet. Version 4.8.2, updated 2026-07-25. Requests 3 permissions."
url: "https://extensiontracker.com/extension/hepbhmpfaidklleailhbemkeghpjgden"
---

# WebClass Deadline Viewer

Live in the Chrome Web Store.

- Users: 35
- Rating: no ratings yet
- Last checked: 2026-11-04 20:44 UTC
- Users gained in 7 days: +5
- Users gained in 30 days: +5 (+16.7%)
- Rank by users: #98,433 of 289,024 live extensions
- Rank in Accessibility: #3,861 of 8,340

## The listing

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

Summary from the listing:

> 参加しているコースの利用可能期間（提出期限）を一覧表示します。

- Extension ID: `hepbhmpfaidklleailhbemkeghpjgden`
- Developer: [emak3](https://extensiontracker.com/developer/u9807efc9b8af082f34e55c0559b4a658)
- Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Make Chrome Yours › Accessibility](https://extensiontracker.com/category/make_chrome_yours/accessibility)
- First published: 2026-04-16
- Last updated: 2026-07-25
- Version: `4.8.2`
- Size: 2.3 MiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Privacy policy: `https://extensions.ouma3.org/policies/webclass-deadline-viewer/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/webclass-deadline-viewer/hepbhmpfaidklleailhbemkeghpjgden>
- View its code or download CRX: <https://crxpeek.com/extension/hepbhmpfaidklleailhbemkeghpjgden>
- Search Google for the ID: <https://www.google.com/search?q=%22hepbhmpfaidklleailhbemkeghpjgden%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-04 | 35 | – | – |
| 2026-10-07 | 30 | – | – |
| 2026-09-27 | 26 | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-04: The developer's contact email changed.

## Developer history

Moves to another publisher account and new contact emails, newest first.

- 2026-11-04: The contact email changed.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs

### Asked for later, if you agree

- `http://*/*`: Every website
- `https://*/*`: Every website

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [WebClass Link Modifier](https://extensiontracker.com/extension/hfplabckhfelpkdknbjhaoddmnojgici) | 9 | – | – | Accessibility |
| [WebClass Drop — ドラッグ＆ドロップ提出](https://extensiontracker.com/extension/gdfpjccfhmlppnnnjaegmfanooacmmed) | 8 | – | – | Accessibility |

All 3 extensions by [emak3](https://extensiontracker.com/developer/u9807efc9b8af082f34e55c0559b4a658).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-11-04 20:44 UTC; next check around 2026-12-02.

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

## Cite this page

Extension Tracker. “WebClass Deadline Viewer” (hepbhmpfaidklleailhbemkeghpjgden). Chrome Web Store data, last checked 2026-11-04. https://extensiontracker.com/extension/hepbhmpfaidklleailhbemkeghpjgden. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_hepbhmpfaidklleailhbemkeghpjgden,
  title   = {WebClass Deadline Viewer (hepbhmpfaidklleailhbemkeghpjgden)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-04},
  url     = {https://extensiontracker.com/extension/hepbhmpfaidklleailhbemkeghpjgden},
  urldate = {2026-11-08}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/hepbhmpfaidklleailhbemkeghpjgden>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.