# Claude Usage Tracker

> Helps you track your claude.ai usage caps based on tokens sent, and syncs across devices using firebase.

Canonical page: [https://chrome-stats.com/d/claude-usage-tracker](https://chrome-stats.com/d/claude-usage-tracker)

## Overview

- **ID:** `claude-usage-tracker`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** lugia19
- **Category:** appearance
- **Daily users:** 4,069
- **Weekly downloads:** 372
- **Rating:** 4.85 / 5 (41 ratings)
- **Version:** 5.5.1
- **Last updated:** 2026-09-01
- **First published:** 2024-12-10
- **Size:** 2.84 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/claude-usage-tracker/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/claude-usage-tracker/privacy/](https://addons.mozilla.org/firefox/addon/claude-usage-tracker/privacy/)

## Description

**Claude Usage Tracker** is a powerful Chrome extension designed to help users monitor their token consumption on Claude.ai. It calculates usage across multiple sources including uploaded files, project knowledge, personal preferences, message history, and system prompts. With real-time sync via Firebase, your usage data stays consistent across all your devices.

This extension offers detailed insights with tooltips explaining key elements such as length, cost, and token estimates. It integrates with Anthropic's API or uses a tokenizer to provide accurate token counts and notifies you when your usage resets or approaches its cap. While certain backend operations like web search results and research are limited in tracking, Claude Usage Tracker remains a comprehensive tool for managing your AI interactions efficiently.

Open-source and transparent, with code available on GitHub, this extension also maintains privacy by securely handling session keys and storage. Ideal for users who want precise control over their Claude.ai usage to avoid unexpected limits and optimize their AI experience.

## Rankings

- #1,364 — Overall
- #222 — Appearance
- #1 — usage
- #1 — usage tracker
- #4 — claude ai
- #5 — claude

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `webRequest`
- `webRequestBlocking`
- `cookies`
- `contextualIdentities`
- `tabs`
- `contextMenus`
- `notifications`

### Host permissions

- `*://claude.ai/*`
- `https://raw.githubusercontent.com/*`
- `https://github.com/*`
- `https://api.anthropic.com/*`

### Content script matches

- `claude.ai`

## Safety

- **Risk impact:** Very 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 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).

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Source: [Chrome-Stats](https://chrome-stats.com/d/claude-usage-tracker)