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How to Save a Playwright Screenshot as a Buffer in Node.js

Await page.screenshot() to get a screenshot Buffer in Node.js. Omit path to keep it in memory, or configure the format, quality, capture area, and pixel scale.

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Await page.screenshot() and keep its returned value: it is already a Node.js Buffer. Leave out the path option to keep the screenshot in memory instead of saving it to disk.

Get the screenshot buffer

const screenshotBuffer = await page.screenshot();

This assumes page is an existing Playwright Page. In the Node.js API, page.screenshot() returns a Promise<Buffer>; awaiting it gives you the image bytes. See the official Playwright Page API reference.

For example, with a page that has already been opened and navigated:

await page.goto('https://example.com');
const screenshotBuffer = await page.screenshot();

console.log(Buffer.isBuffer(screenshotBuffer)); // true

Do not pass path when the result should remain in memory. To save a file as well, supply a path:

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const screenshotBuffer = await page.screenshot({ path: 'screenshot.png' });

The call still returns the screenshot bytes, and the path additionally writes an image file. When a path is supplied, Playwright infers the image type from its extension.

Choose the image format and quality

PNG is the default. You can request JPEG or WebP with type. The quality option accepts values from 0 to 100 and applies only to JPEG and WebP—not PNG. JPEG defaults to quality 80; WebP defaults to 100, which the API describes as lossless. Lower WebP quality values are lossy.

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const jpegBuffer = await page.screenshot({
  type: 'jpeg',
  quality: 80,
});

const webpBuffer = await page.screenshot({
  type: 'webp',
  quality: 90,
});

If you also specify path, make its extension match the requested format so the saved filename describes the image accurately.

Capture a different area or pixel scale

Full page

By default, the screenshot covers the page viewport. Set fullPage: true to capture the full scrollable page:

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const fullPageBuffer = await page.screenshot({ fullPage: true });

A rectangular clip

Use clip to capture a specific rectangle. Its x and y coordinates locate the rectangle, while width and height set its size:

const clippedBuffer = await page.screenshot({
  clip: { x: 40, y: 80, width: 640, height: 360 },
});

CSS pixels or device pixels

The scale option controls output resolution. 'css' produces one image pixel per CSS pixel; 'device' uses device pixels and is the documented default. Device-pixel output can be larger on high-DPI devices.

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const cssScaleBuffer = await page.screenshot({ scale: 'css' });

Troubleshoot common issues

  • The screenshot was written to disk unexpectedly: check whether you passed path directly or through an options object. Omit it for an in-memory-only result.
  • The screenshot is larger than expected: device-pixel scaling is the default and can produce more pixels on high-DPI devices. Try scale: 'css' if one pixel per CSS pixel suits your use case.
  • The image is cut off: the default capture is the viewport. Use fullPage: true for the full scrollable page, or adjust the clip rectangle.
  • The format or quality setting has no effect: confirm that type is 'jpeg' or 'webp' when setting quality; quality does not apply to PNG.
  • An option is unavailable in an older installation: consult the API reference for the installed Playwright version. The current reference marks some options as added in later versions, so availability can vary.
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Or skip the browser setup

If you need a screenshot from a URL without setting up a Playwright browser, ScreenshotNeo accepts one GET request. It can return PNG, JPEG, WebP, or PDF; its API details are in the ScreenshotNeo documentation.

curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webp

ScreenshotNeo accepts cookie and consent banners as a visitor and removes 60+ known consent platforms, newsletter popups, and chat widgets before capture; each step can be turned off. Bot checks, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers report the page verdict and billing status. An MCP server provides screenshot tools for Claude, Cursor, and other MCP clients. The free plan includes 1,000 shots per month without a card; paid plans start at $5 for 3,000 shots.

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