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For a regular Playwright screenshot, call and await page.addStyleTag() after navigating to the page and before calling page.screenshot(). Use its content, path, or url option to supply the stylesheet. If the CSS should affect only the capture—not the live page state—use the screenshot-time style option instead.

Add CSS to the page before the screenshot

This Node.js example injects CSS into the page after navigation. Replace the example URL and selectors with the ones for your page.

const { chromium } = require('playwright');

(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();

  await page.goto('https://example.com');
  await page.addStyleTag({
    content: `
      .cookie-banner { display: none !important; }
      body { background: #fff; }
    `,
  });
  await page.screenshot({ path: 'page.png' });

  await browser.close();
})();

Awaiting page.addStyleTag() ensures the stylesheet has loaded or the supplied CSS has been injected before execution moves to the screenshot. The method accepts inline CSS through content, a local stylesheet through path, or a stylesheet URL through url. See the Playwright Page API for the current method options.

Use a local stylesheet or a URL

For CSS maintained in a file, pass its path instead of inline content:

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await page.addStyleTag({ path: './screenshot.css' });
await page.screenshot({ path: 'page.png' });

To load a stylesheet by URL, pass url:

await page.addStyleTag({ url: 'https://example.com/screenshot.css' });
await page.screenshot({ path: 'page.png' });

Choose whether CSS changes the page or only the capture

Use the approach that matches the output you need: a page-level stylesheet, a one-time screenshot adjustment, or a visual test assertion.

Goal Use CSS input
Apply CSS to the page before taking a regular screenshot await page.addStyleTag(...) Inline content, a file path, or a URL
Apply CSS only while taking a regular screenshot page.screenshot({ style: css }) A CSS string
Apply a stylesheet file during a Playwright Test screenshot assertion expect(page).toHaveScreenshot({ stylePath: './screenshot.css' }) A file path

Keep the adjustment limited to the screenshot

If the page itself should remain untouched outside capture, use style on page.screenshot(). Playwright documents this option for hiding dynamic elements or changing properties to make captures more repeatable; it was added in Playwright v1.41. Check the Page API for details.

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await page.goto('https://example.com');
await page.screenshot({
  path: 'page.png',
  style: `
    .cookie-banner { display: none !important; }
    body { background: #fff; }
  `,
});

Use a stylesheet file for a visual assertion

In a test using the Playwright Test runner, pass the stylesheet path as stylePath to toHaveScreenshot():

import { test, expect } from '@playwright/test';

test('page screenshot', async ({ page }) => {
  await page.goto('https://example.com');
  await expect(page).toHaveScreenshot({ stylePath: './screenshot.css' });
});

stylePath belongs to the screenshot assertion API; for a standalone page.screenshot() call, use its style string option. The API assertions reference and visual comparisons guide document screenshot assertions and stylesheet use. Screenshot assertions work with the Playwright Test runner. Before comparing with an expectation, Playwright waits for two consecutive screenshots to produce the same result.

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Handle timing, dynamic content, and iframes

  1. Navigate first. Call page.goto() before injecting CSS so the stylesheet is added to the intended document.
  2. Wait for the page state you need. If the screenshot depends on content that appears after navigation, wait for that application state before styling and capturing.
  3. Apply CSS and await it. Use page.addStyleTag() when modifying the document, or choose screenshot-time styling for capture-only adjustments.
  4. Capture after the styling step. Keep the screenshot call after the awaited injection or assertion setup.

If the element to style lives inside a particular iframe, use frame.addStyleTag() on that frame. The Page API describes screenshot-time style as applying across inner frames as well. Refer to the Frame API and Page API for the relevant behavior.

Troubleshoot CSS that does not appear in the screenshot

  • The page looks unchanged: Confirm that navigation completed before injection, the stylesheet is awaited, and the selector matches an element in the document receiving the CSS.
  • A local stylesheet is missing: Check that the path passed to path points to the intended file from the running script’s working directory.
  • The styled content is in an iframe: Add the stylesheet to the relevant frame with frame.addStyleTag(), rather than assuming a page-level stylesheet targets that frame’s document.
  • A screenshot assertion rejects the option: Use stylePath with toHaveScreenshot(); use style with a standalone page.screenshot() call.
  • Visual comparisons vary between runs: The Playwright visual comparisons guide notes that operating system, browser version, settings, hardware, power source, headless mode, and other factors can affect rendering. Run comparisons in the same environment used to create the reference images; CSS can control page-level dynamic content but cannot guarantee identical rendering across environments.

Playwright’s visual comparisons guide covers screenshot comparison and repeatability considerations.

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Or skip the browser setup

ScreenshotNeo is a website screenshot API and MCP server. A single GET request can return an image or PDF, without setting up a Playwright browser for the capture.

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

See the ScreenshotNeo API documentation for request options. ScreenshotNeo removes cookie and consent banners, newsletter popups, and chat widgets before capture. Bot checks, blank pages, timeouts, failed loads, and cache hits are not billed. Its MCP server includes tools for AI agents to take screenshots, get page information, and capture PDFs. The free plan includes 1,000 screenshots per month without a card; paid plans start at $5 for 3,000 screenshots.

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