# YouTube Language Level

> Analyze YouTube video transcripts to determine CEFR language level (A1-C2) using local AI

Canonical page: [https://chrome-stats.com/d/youtube-language-level](https://chrome-stats.com/d/youtube-language-level)

## Overview

- **ID:** `youtube-language-level`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Seck
- **Category:** search-tools,language-support,social-communication
- **Version:** 1.4.12
- **Last updated:** 2026-08-16
- **First published:** 2026-08-04
- **Size:** 70 KB
- **Data as of:** 2026-09-20
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/youtube-language-level/)
- **Website:** [https://seeeeeck.github.io/youtube-language-level-analyzer/](https://seeeeeck.github.io/youtube-language-level-analyzer/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/youtube-language-level/privacy/](https://addons.mozilla.org/firefox/addon/youtube-language-level/privacy/)

## Description

See any YouTube video's CEFR language level (A1-C2) before you watch, using local AI or your own Gemini/Ollama setup.

## Rankings

- #147,454 — Overall
- #129 — level

## Permissions and access

### Permissions

- `storage`
- `declarativeNetRequestWithHostAccess`

### Host permissions

- `https://www.youtube.com/*`
- `https://yt-transcript-proxy.fz4mbelli.workers.dev/*`
- `https://youtube-transcript.ai/*`
- `https://kome.ai/*`
- `https://generativelanguage.googleapis.com/*`
- `http://localhost/*`
- `http://127.0.0.1/*`

### Content script matches

- `www.youtube.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Request access to the following domains: youtube.com, workers.dev, youtube-transcript.ai, kome.ai, googleapis.com, localhost, 0.1
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

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- [YouTube → Gemini Summary](https://chrome-stats.com/d/youtube-gemini-summary) — 2 users
- [askYoutube: Ask AI About Any YouTube Video](https://chrome-stats.com/d/askyoutube-ai-video-q-a) — 1 users
- [YuLaF – YouTube Language Filter](https://chrome-stats.com/d/yulaf-youtube-language-filter) — 101 users, 3.50 / 5
- [YouTube Comment Summarizer](https://chrome-stats.com/d/youtube-comment-summarizer) — 1 users, 4.00 / 5
- [YouTube Bilingual Subtitles — AI](https://chrome-stats.com/d/youtube-bilingual-subtitles-ai) — 1 users
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Source: [Chrome-Stats](https://chrome-stats.com/d/youtube-language-level)