# Puppeteer

> JavaScript library to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi

- **Canonical URI:** https://www.vioscale.ai/software/puppeteer
- **Category:** Testing Tools
- **Homepage:** https://pptr.dev/
- **Also known as:** puppeteer
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T21:00:04.210Z

## Vioscale score

**65.8 / 100**, confidence 32% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 28.9 | 16 | 462.5 | ✓ |
| github_stars | 93.9 | 5 | 469.7 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 53.5 | 18 | 962.8 | ✓ |
| release_cadence | 0 | 10 | 0 | - |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 91.7 | 26 | 2384.1 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://pptr.dev/). Independently observed._

Open source · Free tier

## About

A browser automation library that provides a high-level API to control Chrome or Firefox headlessly.

_Independently observed._

## Platform & deployment

- **Platforms:** macOS, Linux, Windows
- **Deployment:** Self-hosted

## Capabilities

_The capabilities that matter for Testing Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Test types | Unit + integration + E2E |
| Browser automation | ✓ |
| Built-in assertion library | - |
| **Isolation** | |
| Mocking / stubbing | - |
| **Techniques** | |
| Snapshot testing | - |
| **Performance** | |
| Parallel execution | - |
| **Insight** | |
| Code coverage | - |
| **DX** | |
| Watch mode | - |
| **Ops** | |
| CI integration | - |
| **Core** | |
| Languages | JavaScript |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 49 | [link](https://github.com/puppeteer/puppeteer/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 95,405 | [link](https://github.com/puppeteer/puppeteer) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 11,470,873 | [link](https://www.npmjs.com/package/puppeteer) | 2026-08-03 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/puppeteer/puppeteer) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | Apache-2.0 | [link](https://github.com/puppeteer/puppeteer) | 2026-08-03 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://pptr.dev/) | 2026-08-03 | 60% (medium) |
| pricing.model | open_source | [link](https://pptr.dev/) | 2026-08-03 | 60% (medium) |
| pricing.price_level | free | [link](https://pptr.dev/) | 2026-08-03 | 60% (medium) |
| pricing.transparent | yes | [link](https://pptr.dev/) | 2026-08-03 | 60% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/puppeteer). Independent, evidence-based software intelligence. Cite the canonical URI.*