# DuelingBook Overflow

> Unlock Extended Mechanics, Left-Click Action Menu, Effect Text Highlighting and more for DuelingBook.

Canonical page: [https://chrome-stats.com/d/duelingbook-overflow](https://chrome-stats.com/d/duelingbook-overflow)

## Overview

- **ID:** `duelingbook-overflow`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** notsosmart
- **Category:** games-entertainment
- **Daily users:** 67
- **Weekly downloads:** 6
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.1.4
- **Last updated:** 2026-01-21
- **First published:** 2026-01-15
- **Size:** 209 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/duelingbook-overflow/)
- **Website:** [https://github.com/n0tsosmart/duelingbookoverflow?tab=readme-ov-file#extended-mechanics](https://github.com/n0tsosmart/duelingbookoverflow?tab=readme-ov-file#extended-mechanics)

## Description

DuelingBook Overflow enhances your <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/c908bb01636973ef88485bfa0ca212a92311c4557365aa6fb15c3b814324157d/http%3A//Duelingbook.com" rel="nofollow">Duelingbook.com</a> experience with powerful features that unlock hidden mechanics, improve the interface, and automate tedious tasks.

Features:
- Extended Mechanics: Unlock 30+ card actions not natively available, including attack from Pendulum Scale, summon tokens, excavate cards, banish face-down, and more
- Dark Theme: Modern dark mode with optional custom background images
- Effect Text Highlighter: Color-code card text by PSCT type (Conditions, Costs, Restrictions)
- Left-Click Action Menu: Open card menus with left-click, double-click for face-down actions
- Chat Commands: Quick actions like /search, /send, /ban, /excavate and more
- Skip Intro and Auto-Connect: Jump straight into the game
- Low Animations: Speed up animations for better performance
- Mute Chat Commands: Execute commands silently
- Card Logging: Track opponent's hand when viewed

All features are fully configurable through the extension popup.

## Rankings

- #14,192 — Overall
- #42 — book
- #61 — booking
- #233 — cover

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `scripting`
- `webNavigation`

### Host permissions

- `*://*.duelingbook.com/`

### Content script matches

- `*.duelingbook.com`

## Safety

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

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/duelingbook-overflow)