Capture Duolingo sentences, export XLSX with dynamic unit title, DeepL/Google links, session counting, draggable UI, auto-clear, and manual update
# 🦉 Duolingo Extractor v3.9+
A lightweight Tampermonkey userscript that **captures Duolingo lesson data** — including sentences, translations, and dynamically updated unit titles — and **exports them into an XLSX file**.
Perfect for linguists, data nerds, or anyone obsessed with analyzing language progress.
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## ✨ Features
- 🧠 **Dynamic Sentence Capture:** Automatically logs sentences during lessons
- 🗂️ **Unit Title Tracking:** Detects and names each set by unit/section
- 🧭 **Language Auto-Detection:** Adapts across multiple Duolingo courses
- 🧾 **One-Click XLSX Export:** Generates clean, sortable Excel output
- 🧱 **MutationObserver + Polling:** Keeps grabbing data even when DOM is lazy-loaded
- 💾 **Persistent State:** Remembers the last known unit name if the header disappears
- 🧰 **UI Overlay:** Draggable interface with export, clear, and counter buttons
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## 🧩 Installation
1. Install [Tampermonkey](https://www.tampermonkey.net/) in your browser.
2. Click [**Install Script**](./duolingo-extractor.user.js) or manually copy it.
3. Visit [Duolingo](https://www.duolingo.com/) and start a lesson — the extractor UI should appear.
4. Use the **“Export XLSX”** button to download your data.
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## ⚙️ Configuration
| Option | Description |
|--------|-------------|
| `Unit Title Mode` | Auto-detect or fallback to previously stored unit name |
| `Language` | Detected from Duolingo’s current course (flag icons header) |
| `Auto Export` | Off by default – can be enabled in code for power users |
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## 💡 How It Works
- Watches the Duolingo web app with a **MutationObserver**
- Tracks updates to the banner element containing unit names (`.PsNCe` class)
- Stores the last known valid unit name in case it disappears
- Collects all displayed sentences and exports them in structured form
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## 🪪 License
MIT License
Copyright (c) 2025 VIC
...
Released under the **MIT License**.
Free to use, modify, and share — attribution appreciated.
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## 🧠 Credits
Made by **VIC** 🧩 — the designer, coder, and language tamer.
Inspired by curiosity and a stubborn refusal to accept “no API for that.”
QingJ © 2025
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