---
title: "HayaiLearn: AI-powered Japanese Language Learning on Youtube & Netflix – Chrome extension stats, history and permissions"
description: "2,000 users, rated 3.94 by 18 people. Version 4.0.5, updated 2026-09-16. Requests 5 permissions."
url: "https://extensiontracker.com/extension/japnalghkafekpppdljjjcecgienonkn"
---

# HayaiLearn: AI-powered Japanese Language Learning on Youtube & Netflix

Live in the Chrome Web Store.

- Users: 2,000
- Rating: 3.94 from 18 ratings
- Last checked: 2026-09-27 03:25 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #14,553 of 264,703 live extensions
- Rank in Education: #437 of 11,063

## The listing

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

Summary from the listing:

> Learn Japanese from watching Youtube & Netflix videos. Immerse with AI explanations, popup dictionaries and grammar breakdowns.

- Extension ID: `japnalghkafekpppdljjjcecgienonkn`
- Developer: [HayaiLearn](https://extensiontracker.com/developer/u2a1421147bfcd3dd6f8bb39895bb852b)
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2024-08-14
- Last updated: 2026-09-16
- Version: `4.0.5`
- Size: 1.61 MiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `hayailearn.com`
- Support page: `https://www.hayailearn.com/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/hayailearn-ai-powered-jap/japnalghkafekpppdljjjcecgienonkn>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjapnalghkafekpppdljjjcecgienonkn>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 2,000 | 3.94 | 18 |

## 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.

### Sites

- `https://app.hayailearn.com/*`: app.hayailearn.com
- `https://gold.hayailearn.com/*`: gold.hayailearn.com
- `https://www.hayailearn.com/*`: www.hayailearn.com
- `https://www.netflix.com/watch*`: www.netflix.com
- `https://www.youtube.com/*`: www.youtube.com

### Sites where it runs scripts

- `https://www.netflix.com/*`: www.netflix.com
- `https://www.youtube.com/*`: www.youtube.com

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 03:25 UTC; next check around 2026-10-02.

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

## Cite this page

Extension Tracker. “HayaiLearn: AI-powered Japanese Language Learning on Youtube & Netflix” (japnalghkafekpppdljjjcecgienonkn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/japnalghkafekpppdljjjcecgienonkn. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_japnalghkafekpppdljjjcecgienonkn,
  title   = {HayaiLearn: AI-powered Japanese Language Learning on Youtube & Netflix (japnalghkafekpppdljjjcecgienonkn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/japnalghkafekpppdljjjcecgienonkn},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/japnalghkafekpppdljjjcecgienonkn>. 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`.