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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Use Selenium’s JavaScript WebDriver to open a page, await driver.takeScreenshot(), and write its base64-encoded PNG result to a file. The example below uses Node.js, Chrome, and the selenium-webdriver package; Selenium describes screenshot capture as best effort, so whole-page output is not guaranteed in every browser and execution setup.
Install Selenium and prepare a browser
Selenium’s JavaScript binding requires Node.js 22 or newer according to its current documentation. Install the package in your project with:
npm install selenium-webdriverYou also need a browser available in the environment where the script runs. Selenium Manager handles browser-driver setup automatically in the documented quick start. The supported Node.js versions and their upstream support status can change, so check the official JavaScript API page for current requirements.
Capture a website screenshot and save it as PNG
Create a file such as screenshot.js. This complete example opens a page, saves the screenshot in the current directory, and closes the browser even if navigation or capture fails:
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const { Builder, Browser } = require('selenium-webdriver')
const fs = require('node:fs')
async function capture() {
const driver = await new Builder().forBrowser(Browser.CHROME).build()
try {
await driver.get('https://example.com')
const encodedPng = await driver.takeScreenshot()
fs.writeFileSync('./screenshot.png', encodedPng, 'base64')
} finally {
await driver.quit()
}
}
capture().catch((error) => {
console.error(error)
process.exitCode = 1
})- Replace
https://example.comwith the page you want to capture. - Run
node screenshot.jsfrom the project directory. - Look for
screenshot.pngin that directory. The value returned bytakeScreenshot()is base64-encoded PNG data, so pass'base64'as the write encoding; do not treat the returned string as ordinary image text.
This follows Selenium’s documented JavaScript screenshot-save pattern and its recommended browser lifecycle of creating a driver and quitting it in a finally block. See Selenium’s windows and tabs examples.
Understand what Selenium captures
The WebDriver API says takeScreenshot() makes a best effort and prefers, in order, the entire page, the current window, the visible portion of the current frame, and the entire display containing the browser. That order is not a promise of identical full-page behavior across browsers, drivers, and execution environments. If page completeness matters, inspect the resulting image and its dimensions in the environment you will use. See the WebDriver JavaScript API.
Capture one element instead of the page
When you need a specific element, locate it and call its takeScreenshot() method. The result is a base64-encoded PNG of the visible region within that element’s bounding rectangle:
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const element = await driver.findElement(By.css('.product-card'))
const encodedPng = await element.takeScreenshot()
fs.writeFileSync('./product-card.png', encodedPng, 'base64')Use the selector that identifies your target element; the snippet assumes By has been imported from selenium-webdriver and that it runs while the driver is open. This element capture is not the same as capturing every page area occupied by content beyond the visible element region. See the WebElement JavaScript API.
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Use a remote Selenium server when the browser is elsewhere
The browser does not have to run on the same machine as the script. Selenium documents configuring a server URL in the Builder, or using the SELENIUM_REMOTE_URL environment variable. A remote setup changes where the browser executes; it does not change the screenshot method or establish the performance or pricing of any particular hosted service. Consult the JavaScript API documentation for the documented remote configuration patterns.
When the deliverable should be a PDF
If you need a PDF rather than an image, Selenium’s JavaScript printPage(options) method produces a PDF representation of the current page. The API calls this a best-effort operation. It is a print-to-PDF output, not a full-page PNG screenshot. See the WebDriver API documentation.
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Or skip the browser setup
For a screenshot API call instead of installing and operating a browser, ScreenshotNeo accepts a URL and returns an image or PDF. Its clean-shot steps can accept consent banners and remove more than 60 known consent platforms, newsletter popups, and chat widgets; each step can be turned off. Bot checks or CAPTCHAs, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers identify the page verdict and billing status. ScreenshotNeo also provides an MCP server with screenshot tools for AI agents. The free plan includes 1,000 screenshots a month without a card; paid plans start at $5 for 3,000.
For this JavaScript example, the API request can be made with Node’s built-in fetch:
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsconst q = new URLSearchParams({ access_key: 'YOUR_API_KEY', url: 'https://example.com' })
const res = await fetch(`https://api.screenshotneo.com/v1/shot?${q}`)
if (!res.ok) throw new Error(`Screenshot request failed: ${res.status}`)
await import('node:fs/promises').then(({ writeFile }) => writeFile('shot.webp', Buffer.from(await res.arrayBuffer())))Replace YOUR_API_KEY with your key. See the ScreenshotNeo API documentation for request options and response details. ScreenshotNeo is a website screenshot API and MCP server made by Yorker Media; visit ScreenshotNeo for product information. Sign up for 1,000 free screenshots a month with no card.
Troubleshoot common problems
The script cannot find a browser or driver
Confirm that a supported browser is installed and available in the execution environment, and that your Node.js version meets the binding’s current requirement. Selenium Manager handles driver setup in the documented quick start, but the browser itself must be available. Check the official JavaScript API documentation if setup fails.
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The screenshot file is not a valid PNG
Write the returned string as base64 data, as in fs.writeFileSync(path, encodedPng, 'base64'). Omitting the encoding can write the base64 characters rather than decode them into the image bytes.
The image does not show the whole page
takeScreenshot() is best effort. Its documented preference begins with the entire page, but it can fall back to the current window or visible frame area. Check the output dimensions and the browser/driver setup rather than assuming a consistent cross-browser full-page guarantee.
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The browser remains open after an error
Keep await driver.quit() in a finally block. This ensures the browser session is closed when navigation or capture throws an error.
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The desired image is only one component
Use an element locator and the element’s takeScreenshot() method. Its documented output is the visible region encompassed by that element’s bounding rectangle, not an automatic capture of the entire page.
Frequently Asked Questions
Does Selenium save a screenshot as a PNG automatically?
It returns base64-encoded PNG data. Decode it when writing the value to a file by specifying the base64 encoding.
Can Selenium save a page as a PDF?
Yes. Use the JavaScript WebDriver method printPage(options) for a best-effort PDF representation of the current page.
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