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Use Puppeteer’s page.screenshot() method with a clip rectangle to capture just part of a rendered page. Define the crop with x, y, width, and height; add path if you want Puppeteer to save the image to a file. For a known DOM element, elementHandle.screenshot() is often simpler because Puppeteer scrolls it into view before capturing it.
Capture a rectangle with clip
Puppeteer’s official screenshot guide points to Page.screenshot() for screenshots. Its clip option takes a rectangular region, described by the same bounding-box fields: x, y, width, and height.
const screenshot = await page.screenshot({
path: 'clip.png',
clip: { x: 100, y: 80, width: 500, height: 300 },
});This saves a 500-by-300 pixel image to clip.png, starting at the specified position. If your code needs to use the image rather than just write it to disk, omit path and use the returned image data. With the standard screenshot options, Puppeteer returns a Uint8Array; with encoding: 'base64', it returns a base64 string. Puppeteer screenshot guide · Screenshot options reference
Run a complete clipped-screenshot script
The following CommonJS example launches Chromium, opens a page, waits for navigation to reach the selected state, and saves a clipped screenshot. Install Puppeteer in your project first with npm install puppeteer; this example assumes the package is installed locally.
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const puppeteer = require('puppeteer');
(async () => {
const browser = await puppeteer.launch();
try {
const page = await browser.newPage();
await page.goto('https://example.com', { waitUntil: 'networkidle2' });
await page.screenshot({
path: 'clip.png',
clip: { x: 100, y: 80, width: 500, height: 300 },
});
} finally {
await browser.close();
}
})();Replace the URL with the page you need and adjust the rectangle. The Puppeteer guide demonstrates navigation followed by a screenshot and uses networkidle2 in its example. That wait condition is not a universal requirement: choose a page-ready condition that fits the site, and add a more specific wait if the content you need appears after navigation.
What the coordinates mean in practice
The rectangle starts at x and y and extends for width and height. These fields define the crop, so inspect the rendered page and tune the values when the output is offset or cuts off content. The reference defines a scale option on ScreenshotClip, defaulting to 1. The documentation reviewed here does not establish a broader rule for converting coordinates across device-pixel ratios; do not assume an unverified conversion when matching a crop to a particular display or viewport.
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Choose a readiness condition deliberately
A screenshot reflects the page state when capture occurs. If an image, animation, client-rendered panel, or other content has not appeared yet, wait for the relevant element or page state before taking the shot. A network-idle condition may suit pages that become quiet after loading, but it can be unsuitable for pages that keep making requests; the guide’s example should not be read as a requirement for every site.
Choose between a rectangle, an element, and a full page
| Method | Use it when | Behavior |
|---|---|---|
page.screenshot({ clip }) |
You need a crop with explicit coordinates and dimensions. | Captures the rectangle described by x, y, width, and height. |
elementHandle.screenshot() |
The target is a particular DOM element. | Puppeteer scrolls the element into view if needed, then uses the page screenshot method. It throws if the element has been detached from the DOM. |
page.screenshot({ fullPage: true }) |
You need the full page rather than a crop. | Captures the full page; fullPage defaults to false. |
The method choice changes how you identify the target. Use coordinates for a region that is not naturally one element, such as an area spanning several blocks. Use an element handle when the page structure provides a reliable selector for the exact target. Use fullPage when the required output is a full-page image rather than a clipped view. ElementHandle.screenshot() reference
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Capture an element without calculating a crop
const card = await page.$('.product-card');
if (!card) {
throw new Error('Could not find .product-card');
}
await card.screenshot({ path: 'product-card.png' });Here page.$() obtains a handle for the matching element and its screenshot method handles scrolling the target into view when necessary. If the page replaces or removes that node before capture, the handle can become detached; find the element again after the page update.
Control image format, background, and returned data
Puppeteer’s ScreenshotOptions reference documents controls for output and capture behavior. PNG is the default image type. You can specify a path to save the result; without one, the screenshot is returned rather than written to disk. quality applies to formats other than PNG, and encoding can select binary output or base64.
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| Option | What it controls | Documented behavior |
|---|---|---|
path |
Whether to save to a file, and its filename. | The type can be inferred from the file extension. Without a path, the screenshot is not saved to disk. |
type |
Image format. | Defaults to PNG. |
encoding |
Returned representation. | Defaults to binary; 'base64' selects the base64 string overload. |
quality |
Image quality for supported non-PNG formats. | Does not apply to PNG. |
omitBackground |
Whether to hide the default white background. | Defaults to false; use it when a transparent background is wanted. |
fullPage |
Whether to capture the whole page. | Defaults to false. |
captureBeyondViewport |
Whether capture may extend beyond the viewport. | Defaults to false without a clip and true when a clip is supplied. |
clip.scale |
Scale listed on the clip interface. | Defaults to 1. |
Use one output mode consistently in downstream code: a saved file is convenient for local inspection, while returned bytes or base64 are useful when another part of your program uploads, transforms, or serves the screenshot. The exact byte handling depends on the selected encoding and Puppeteer version’s matching API reference. Page.screenshot() API reference
Return bytes or base64 instead of writing a file
const bytes = await page.screenshot({
clip: { x: 100, y: 80, width: 500, height: 300 },
});
// `bytes` is the returned image data (Uint8Array with the standard overload).
const base64 = await page.screenshot({
encoding: 'base64',
clip: { x: 100, y: 80, width: 500, height: 300 },
});
// `base64` is a base64 string.Troubleshoot clipped captures
- The image is offset or cuts off the wrong area: check the crop’s
x,y,width, andheightagainst the rendered page. If the layout changes between runs, wait for the intended content and measure the rectangle from the resulting state. - The screenshot is blank or incomplete: make sure navigation or rendering has reached the state you intend to capture. Wait for a selector or other relevant condition rather than relying on a fixed delay where possible.
- The selector-based capture fails after a page update: the element may have been detached. Query for the current element after the update and take a new handle.
- The output is missing from disk: provide
pathif you expect a file. Without it, Puppeteer returns image data rather than saving the screenshot. - Transparency is absent: set
omitBackground: trueto hide the default white background; the documented default is false. - JPEG quality has no apparent effect:
qualityapplies to formats other than PNG, so select a supported non-PNG format when quality adjustment is needed. - The crop extends beyond what you expected: with a supplied clip,
captureBeyondViewportdefaults to true. Set it explicitly if you need a different behavior, consulting the documentation for the Puppeteer version installed in your project.
Version and operational considerations
Puppeteer’s screenshot API is release-sensitive. The official references reviewed for this article are labeled versions 25.10.0 through 25.12.0. Check the documentation matching your installed package before depending on option details in production. No universal timing, performance figure, or device-pixel-ratio conversion guarantee follows from the API descriptions cited here.
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For reliability, keep the capture sequence explicit: navigate, wait for the particular page state needed, acquire a current element handle if capturing an element, and then write or consume the screenshot output. On dynamic pages, consider whether the crop geometry itself changes after fonts, images, or client-side content load; a fixed rectangle only remains accurate if the layout is sufficiently stable.
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Frequently Asked Questions
Can I use a clipped screenshot and fullPage together?
The API reference documents both options, but the supplied documentation does not establish every interaction between them. Check the reference for the Puppeteer version installed in your project before relying on a combined configuration.
Does Puppeteer’s clip use CSS pixels or device pixels?
The reviewed official API references specify the clip fields and a scale option but do not establish a broader device-pixel-ratio conversion rule. Verify behavior against the documentation for your installed version rather than assuming a conversion.
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