Use a real browser to capture a Nuxt page. Nuxt server rendering produces HTML; it does not, by itself, create a PNG, JPEG, WebP, or PDF file. For repeatable captures, start a Playwright page through Nuxt Test Utils and call page.screenshot(). Omit fullPage for the visible viewport; set fullPage: true for the entire scrollable document.
Choose the right kind of screenshot
Your choice affects both the code and the resulting image:
- One-off manual image: open the Nuxt site in a browser and use the operating system’s screenshot command.
- Viewport capture: records only what is currently visible in the browser viewport.
- Full-page capture: stitches the complete scrollable document into one image.
- Element capture: saves one component, such as a card, navigation bar, or modal.
- Visual regression: compares a new rendering with a stored baseline using Playwright Test.
The automated options require a browser because the pixels are produced after CSS, client-side JavaScript, fonts, images, and layout have rendered.
Prerequisites for a Nuxt 4 capture
- A Nuxt 4 application (the examples target current Nuxt 4 documentation).
- Node.js and a package manager used by your project.
@nuxt/test-utilsfor Nuxt-aware end-to-end setup.- Playwright and its browser binaries.
- A running Nuxt application, or a test configuration that starts it automatically.
Nuxt 3 is no longer the target for new instructions: Nuxt’s lifecycle notice states that Nuxt 3 reached end of life on 31 July 2026 and no longer receives normal bug fixes or security patches. Upgrade to Nuxt 4 or arrange extended support before building a new screenshot workflow.
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Minimal full-page screenshot with Nuxt Test Utils
Nuxt Test Utils supplies a configured browser page through createPage, while Playwright supplies the screenshot API. In an end-to-end test or a script that follows your test runner’s startup and cleanup lifecycle, the essential code is:
import { createPage } from '@nuxt/test-utils/e2e'
const page = await createPage('/')
await page.screenshot({
path: 'screenshot.png',
fullPage: true
})
await page.close()path writes the image to disk. fullPage: true captures the complete scrollable page; remove it to capture only the current viewport. The snippet is an illustrative combination of the documented Nuxt helper and Playwright API, so place it inside the lifecycle expected by your selected test runner.
Build a reliable capture step by step
1. Start the application or provide a host
Nuxt Test Utils can run a Nuxt application for end-to-end tests or target a host that you start separately. Make sure the URL is reachable before creating the page. If your page depends on environment variables, API mocks, authentication, or seeded data, configure those before the capture.
2. Set a deterministic viewport
Responsive layouts change at breakpoints. Set the same viewport for every run when your runner exposes Playwright’s page or context options. Keep the browser engine, browser version, operating system, device scale, fonts, and headless mode consistent when images are used as baselines.
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3. Wait for meaningful content
Do not capture immediately after navigation if the page loads data or images asynchronously. Wait for a selector that proves the main content is present, wait for a deliberate short delay when an animation needs to settle, or wait for network activity to become idle where that is appropriate. A selector-based wait is usually less fragile than an arbitrary long timeout.
4. Capture the required scope
// Visible viewport (default)
await page.screenshot({ path: 'viewport.png' })
// Entire scrollable document
await page.screenshot({ path: 'full-page.png', fullPage: true })
// A single component
await page.locator('[data-testid="pricing-card"]').screenshot({
path: 'pricing-card.png'
})Locator screenshots are clipped to the matching element. Use a stable identifier rather than a generated class name.
5. Close the page and preserve artifacts
Close the page and browser context in your runner’s cleanup hook. Save artifacts to a predictable directory and give each route, viewport, and state a distinct filename so parallel jobs do not overwrite one another.
Useful Playwright screenshot options
The screenshot API supports more than a file path:
- Format and quality: choose PNG, JPEG, or another supported output format; quality settings apply where the format supports them.
- Scale: control whether output follows CSS pixels or a higher device scale.
- Clip: capture a specified rectangle when an element locator is not suitable.
- Mask: cover volatile areas such as timestamps, rotating adverts, or user-specific data.
- Animation behavior: disable or control animations when a stable frame matters.
- Buffer return: omit
pathto receive image bytes in memory, then upload or process them yourself.
For a PDF, use the browser’s PDF capability rather than treating a screenshot as a paginated document. A screenshot is a raster image; text selection, links, and print pagination are different concerns.
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Visual regression testing in Nuxt
Playwright Test provides expect(page).toHaveScreenshot() for comparing a rendering with a stored baseline:
import { test, expect } from '@playwright/test'
test('home page stays visually stable', async ({ page }) => {
await page.goto('/')
await expect(page).toHaveScreenshot('home.png')
})Screenshot assertions disable animations by default and wait for two consecutive screenshots to match before comparing. Review baseline changes rather than accepting every pixel difference automatically: content changes can be intentional, while a changed font, browser, operating system, power setting, or headless mode can create unrelated pixel differences.
Make baselines reproducible
- Pin the browser version used by CI and local baseline generation.
- Use the same operating-system image and installed fonts.
- Keep viewport and device scale fixed.
- Freeze dates, random data, rotating banners, and remote API responses.
- Wait for images and fonts before capture.
- Mask user-specific or continuously changing regions.
- Review diffs as a human before updating the expected image.
Common problems and fixes
The image is blank or shows a loading shell
Cause: capture happened before hydration or data loading completed. Fix: wait for a content selector, ensure the API is reachable in the test environment, and check browser-console or network failures.
Only the top of the page appears
Cause: the default screenshot is viewport-only. Fix: add fullPage: true, and confirm that the document—not an internal scrolling panel—is the element that contains the content.
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Images are missing in a full-page shot
Cause: lazy-loaded images may not load until they approach the viewport, or remote requests may be blocked. Fix: wait for image completion, scroll through the page before capture when necessary, and make test assets available locally or through a reliable test endpoint.
The screenshot differs on CI
Cause: rendering varies with operating system, browser version, fonts, hardware, power source, and headless mode. Fix: standardize the environment and inspect the diff before changing the baseline.
createPage cannot connect
Cause: the Nuxt server has not started, the provided host is wrong, or the test runner’s setup hook is missing. Fix: verify the server URL from the same environment, wait for startup completion, and follow the Nuxt Test Utils lifecycle for your runner.
Selectors are unstable
Cause: generated classes or text change between builds. Fix: add stable data-testid or semantic selectors to the component you intend to capture.
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Performance, reliability, and cost considerations
Viewport screenshots are generally cheaper to render than very tall full-page images. Full-page capture can trigger additional lazy loading and produce large files; resize or compress only after the browser capture if your downstream system permits it. Reusing a browser context can reduce startup overhead in a suite, but isolate tests that require different cookies, permissions, or authentication.
For visual tests, deterministic local fixtures are more reliable than live third-party data. For production documentation or scheduled captures, record the URL, viewport, browser version, timestamp, and application revision alongside each artifact so a changed image can be explained.
Or skip the browser setup
ScreenshotNeo is a website screenshot API and MCP server. One GET request returns a PNG, JPEG, WebP, or PDF. It accepts cookie and consent banners as a visitor, then removes more than 60 known consent platforms, newsletter popups, and chat widgets before capture; each cleanup step can be disabled. Bot checks, CAPTCHAs, blank pages, timeouts, failed loads, and cache hits are not billed, and response headers identify the page verdict and billing result.
See the parameter reference in the ScreenshotNeo documentation. The same request can also control full-page capture, lazy images, CSS-selector elements, dark mode, device presets or custom viewports, retina scale, PDF paper and margins, custom CSS and JavaScript, clicks, selector or network-idle waits, ad and tracker blocking, headers, cookies, user agent, authorization, timezone, geolocation, transparent backgrounds, resizing, caching TTL, signed image links, asynchronous webhooks, bulk capture of up to 100 URLs, usage reporting, and OpenAPI-generated clients.
cURL
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import requests
r = requests.get(
"https://api.screenshotneo.com/v1/shot",
params={"access_key": "YOUR_API_KEY", "url": "https://stripe.com"},
timeout=90,
)
r.raise_for_status()
open("shot.webp", "wb").write(r.content)Node.js
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});
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Which approach should you use?
| Need | Best fit | Reason |
|---|---|---|
| One image once | Manual browser capture | No Nuxt-specific setup. |
| Repeatable local or CI artifact | Nuxt Test Utils + Playwright | Runs against your application and can capture viewport, full page, or elements. |
| Pixel regression checks | Playwright Test | Stores and compares baselines. |
| Scheduled or service-side captures | ScreenshotNeo | API and MCP access, cleanup of common overlays, and billing only for clean successful captures. |
Frequently Asked Questions
Does Nuxt server-side rendering create a screenshot file?
No. SSR creates rendered HTML. A browser must paint that HTML and a screenshot API must encode the pixels into an image.
How do I capture just one Nuxt component?
Give the component a stable selector, then call its Playwright locator’s screenshot method, for example page.locator('[data-testid="card"]').screenshot({ path: 'card.png' }).
Why is my full-page screenshot extremely tall?
fullPage: true includes the entire scrollable document. Capture a specific locator or clip a region when a single section is the real requirement.
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