puppeteer/puppeteer
#260 this week
JavaScript API for Chrome and Firefox
95.6K stars
9.6K forks
95.6K GitHub watchers
Updated 10/7/2026
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Use Cases & Benefits
- Provides a high-level JavaScript API to control Chrome and Firefox browsers programmatically via DevTools Protocol or WebDriver BiDi.
- Enables reliable browser automation with headless mode by default, simplifying testing and scraping without a visible UI.
- Use for automating end-to-end testing of web applications across Chrome and Firefox browsers.
- Use for web scraping tasks that require rendering JavaScript-heavy pages to extract dynamic content.
- Use for generating pre-rendered content or screenshots of web pages for SEO or visual regression testing.
About puppeteer
Puppeteer
Puppeteer is a JavaScript library which provides a high-level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. Puppeteer runs in the headless (no visible UI) by default
Get started | API | FAQ | Contributing | Troubleshooting
Installation
npm i puppeteer # Downloads compatible Chrome during installation.
npm i puppeteer-core # Alternatively, install as a library, without downloading Chrome.
Example
import puppeteer from 'puppeteer';
// Or import puppeteer from 'puppeteer-core';
// Launch the browser and open a new blank page
const browser = await puppeteer.launch();
const page = await browser.newPage();
// Navigate the page to a URL.
await page.goto('https://developer.chrome.com/');
// Set screen size.
await page.setViewport({width: 1080, height: 1024});
// Type into search box using accessible input name.
await page.locator('aria/Search').fill('automate beyond recorder');
// Wait and click on first result.
await page.locator('.devsite-result-item-link').click();
// Locate the full title with a unique string.
const textSelector = await page
.locator('text/Customize and automate')
.waitHandle();
const fullTitle = await textSelector?.evaluate(el => el.textContent);
// Print the full title.
console.log('The title of this blog post is "%s".', fullTitle);
await browser.close();
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