# Buster: Captcha Solver for Humans

> Save time by asking Buster to solve CAPTCHAs for you.

Canonical page: [https://chrome-stats.com/d/buster-captcha-solver](https://chrome-stats.com/d/buster-captcha-solver)

## Overview

- **ID:** `buster-captcha-solver`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Armin Sebastian
- **Category:** privacy-security
- **Daily users:** 34,427
- **Weekly downloads:** 955
- **Rating:** 3.83 / 5 (501 ratings)
- **Version:** 3.4.0
- **Last updated:** 2026-06-26
- **First published:** 2018-12-04
- **Size:** 6.50 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/buster-captcha-solver/)
- **Website:** [https://github.com/dessant/buster/issues](https://github.com/dessant/buster/issues)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/buster-captcha-solver/privacy/](https://addons.mozilla.org/firefox/addon/buster-captcha-solver/privacy/)

## Description

Buster: Captcha Solver for Humans is a Chrome extension designed to simplify solving difficult CAPTCHAs by leveraging speech recognition to complete reCAPTCHA audio challenges. Users can solve challenges by clicking the extension button integrated into the reCAPTCHA widget, saving valuable time and effort. While results aren't guaranteed due to technology limitations, Buster significantly improves accessibility and user experience on the web.

The extension features an optional client app compatible with Windows, Linux, and macOS to enhance success rates by simulating user interactions. It addresses accessibility challenges by helping users facing physical, cognitive, or network barriers. Buster respects privacy by not collecting personal data and provides resources for support and contributions. Available for Chrome and Edge browsers, Buster is a practical tool for anyone frustrated by repetitive CAPTCHA challenges.

## Rankings

- #387 — Overall
- #97 — Privacy & Security
- #1 — captcha
- #19 — paypal
- #40 — soccer
- #79 — bitcoin

## Permissions and access

### Permissions

- `storage`
- `notifications`
- `webRequest`
- `webRequestBlocking`
- `webNavigation`
- `nativeMessaging`
- `<all_urls>`
- `scripting`

### Content script matches

- `google.com`
- `www.google.com`
- `recaptcha.net`
- `www.recaptcha.net`
- `127.0.0.1`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension was updated in the past 3 months. 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 praise Buster for fast CAPTCHA solving that saves time and generally reliable performance. The core strength is speed and usefulness, but several reviews note intermittent reliability issues and occasionally confusing failure modes. Overall, it is viewed as a solid extension with room for improvement on stability and clearer error handling.

### Pros

- Fast CAPTCHA solving that saves time
- Works well most of the time and is generally reliable
- Positive user sentiment; described as a solid extension that does what it promises

### Cons

- Intermittent failures with 'try again later' messages, reducing reliability
- Some failure modes are confusing or opaque

## Similar extensions and apps

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- [SolveCaptcha: Auto Solve and Bypass Captcha Solver](https://chrome-stats.com/d/automatic-captcha-solve-bypass) — 12 users, 1.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/buster-captcha-solver)