# LiChess Tools, by Siderite

> Turbocharge lichess.org with a ton of features

Canonical page: [https://chrome-stats.com/d/lichess-tools-by-siderite](https://chrome-stats.com/d/lichess-tools-by-siderite)

## Overview

- **ID:** `lichess-tools-by-siderite`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Siderite
- **Category:** games-entertainment
- **Daily users:** 1,506
- **Weekly downloads:** 35
- **Rating:** 4.58 / 5 (19 ratings)
- **Version:** 2.4.244
- **Last updated:** 2026-09-11
- **First published:** 2024-09-12
- **Size:** 1.75 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/lichess-tools-by-siderite/)
- **Website:** [https://siderite.dev/LiChessTools](https://siderite.dev/LiChessTools)

## Description

LiChess Tools by Siderite is a Chrome extension that supercharges lichess.org with an extensive feature set for training, analysis, and study. It includes Extended Interactive Lessons for all variations, Explorer Practice, local analysis charts, enhanced PGN import and editing, move evaluation, and automatic detection of interesting moves.

Additional capabilities include mobile support for drawing arrows and circles, sound and voice notifications, TV enhancements, shortcut keys, and customizable preferences. The project is open-source on GitHub, offering a powerful toolkit for players who want deeper training and faster analysis on any device.

## Rankings

- #2,628 — Overall
- #248 — Games & Entertainment
- #18 — tons
- #20 — tools
- #44 — cheese
- #65 — variation

## Permissions and access

### Permissions

- `activeTab`
- `https://lichess.org/*`
- `https://lichess.dev/*`
- `https://testy.lichess.dev/*`
- `https://*.lichessladders.com/*`

### Content script matches

- `lichess.org`
- `lichess.dev`
- `testy.lichess.dev`

## Safety

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

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension was recently updated in the past month. New updates 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).

## Review summary

Users overwhelmingly praise LiChess Tools for Firefox as a well-maintained, feature-rich extension that meaningfully enhances Lichess. Reviewers highlight the broad toolset, improvements to study and analysis (including cloud analysis control and study lines), and strong mobile support (arrows across games, studies, and analysis). The developer's responsiveness and active updates are repeatedly noted, along with flexible settings. The few comments frame these tools as essential, free enhancements that fill gaps in native Lichess functionality.

### Pros

- Active maintenance and developer responsiveness by Siderite.
- Very feature-rich extension that unlocks a wide range of Lichess tools and capabilities.
- Improves study and analysis workflows (e.g., cloud analysis control, study lines, etc.).
- Excellent mobile support, including arrows and feature access across games, studies, and analysis on mobile.
- Customizable settings and a helpful, supportive community.

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Source: [Chrome-Stats](https://chrome-stats.com/d/lichess-tools-by-siderite)