# Nanobrowser: AI Web Agent & Automation

> Open-source AI web automation tool for Firefox. A free alternative to OpenAI Operator with flexible LLM options and multi-agent system. 100% privacy-focused with local browser execution.

Canonical page: [https://chrome-stats.com/d/nanobrowser-ai](https://chrome-stats.com/d/nanobrowser-ai)

## Overview

- **ID:** `nanobrowser-ai`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Removed
- **Publisher:** Nanobrowser Firefox Edition
- **Daily users:** 44
- **Weekly downloads:** 9
- **Version:** 0.1.12
- **Last updated:** 2025-09-21
- **First published:** 2025-09-18
- **Size:** 750 KB
- **Data as of:** 2026-01-29
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/nanobrowser-ai/)

## Description

anobrowser Firefox Edition brings powerful AI web automation directly to your Firefox browser. A complete, free alternative to expensive AI automation tools like OpenAI Operator.

🔥 <strong>Why Choose Nanobrowser Firefox Edition?</strong>

✅ <strong>100% Free</strong> - No subscription fees or hidden costs. Use your own API keys and pay only for what you use.

✅ <strong>Privacy-First</strong> - Everything runs locally in your Firefox browser. Your credentials stay with you, never shared with any cloud service.

✅ <strong>Multi-Agent System</strong> - Specialized AI agents (Navigator, Planner, Validator) collaborate to handle complex web tasks.

✅ <strong>Flexible LLM Support</strong> - Works with OpenAI, Anthropic, Gemini, Ollama, Groq, Cerebras, and custom OpenAI-compatible providers.

✅ <strong>Fully Open Source</strong> - Complete transparency. No black boxes or hidden processes.

🚀 <strong>Key Features</strong>

• <strong>Smart Web Automation</strong>: Let AI navigate websites, fill forms, extract data, and perform complex multi-step tasks
• <strong>Interactive Chat Interface</strong>: Natural conversation with your AI assistants via the convenient popup interface
• <strong>Task Planning</strong>: Advanced planning agent breaks down complex requests into actionable steps
• <strong>Real-time Validation</strong>: Validator agent ensures tasks are completed correctly
• <strong>Conversation History</strong>: Access and manage your AI interaction history
• <strong>Cross-Site Workflows</strong>: Seamlessly automate tasks across multiple websites

🎯 <strong>Perfect For</strong>
<ul><li>Data extraction and web scraping</li><li>Automated form filling and submissions  </li><li>Research and information gathering</li><li>E-commerce and shopping automation</li><li>Social media management</li><li>Testing and QA workflows</li><li>Any repetitive web-based tasks</li></ul>

## Permissions and access

### Permissions

- `storage`
- `scripting`
- `tabs`
- `activeTab`
- `unlimitedStorage`
- `webNavigation`

### Host permissions

- `<all_urls>`

### Content script matches

- `*`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 is not longer available in the store

> 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/nanobrowser-ai)