Anki Difficulty Tagger

🔗 AnkiWeb
https://ankiweb.net/shared/info/1300169603

What this add-on does

Anki Difficulty Tagger automatically assigns difficulty tags to cards based on your review behavior.
Instead of manually tagging cards as “easy” or “hard”, this add-on analyzes your answers and applies tags consistently.

It is designed to help you:

• Identify difficult cards quickly
• Filter decks by difficulty
• Adjust study strategy using objective criteria

Core Features

• 🏷 Automatically assigns difficulty tags to cards
• 📊 Uses review outcomes (Again / Hard / Good / Easy)
• 🔁 Updates tags dynamically as difficulty changes
• 🪶 Lightweight and fast
• 🧩 Works with any deck and note type
• ⚙️ Fully configurable tagging rules

How It Works

1. You review cards as usual in Anki
2. Based on your answers, the add-on evaluates card difficulty
3. Difficulty tags are added or updated automatically
4. Old difficulty tags can be removed or replaced

This keeps difficulty information always in sync with your actual performance.

Why Use Difficulty Tags?

Difficulty tags allow you to:

• Create filtered decks like:
  • tag:hard
  • tag:easy
• Focus extra time on weak areas
• Avoid wasting time on cards you already know well
• Monitor long-term learning progress

Unlike static tags, these tags evolve with your learning.

Installation

From AnkiWeb (recommended)

1. Open Anki
2. Tools → Add-ons → Get Add-ons
3. Enter the code from AnkiWeb
4. Restart Anki

👉 https://ankiweb.net/shared/info/1300169603

Manual (GitHub)

1. Download or clone this repository

2. Place it in:

   Anki2/<profile>/addons21/anki-difficulty-tagger/

3. Restart Anki

Configuration

Open:

Tools → Add-ons → Anki Difficulty Tagger → Config

Available options include:

• Enable / disable tagging
• Tag names for each difficulty level
• Rules for assigning difficulty
• Whether to remove old difficulty tags
• Scope (review-only or include other actions)

Settings are applied automatically during normal reviews.

Usage

• Simply review cards as usual
• Tags are updated automatically in the background
• No manual action is required

You can then use the Browser to:

• Search by difficulty tag
• Create filtered decks
• Analyze difficult cards in bulk

Performance & Safety

• No background polling
• Operates only during review events
• Does not modify scheduling or intervals
• Safe to enable on large collections

Compatibility

• Anki 24.x
• Anki 25.x
• Windows / macOS / Linux

License

MIT License

Author

Created by @yuwayanagitani

Related Add-ons

• AI Grader – AI-based grading of answers
• Anki Bar Graph – Visualize recent review activity
• AI Card Explainer – Add explanations to cards

These add-ons can be combined to build a data-driven Anki workflow.