Authenticate an authorized test account, save its browser authentication state, load that state before opening the protected page, verify that you are still signed in, and then call page.screenshot(). Use fullPage: true when you need the entire scrollable page; by default Playwright captures only the current viewport. Treat the saved state and resulting screenshots as sensitive if they contain credentials or private data.
Before you automate the login
- Use an account you are authorized to automate, preferably a non-production test account. The app is not named, so its login flow, terms, access controls, and data sensitivity cannot be determined here. Confirm that automated access and capture are permitted.
- Keep credentials in environment variables or a secret store, not in test source.
- Decide whether captured pages may expose personal, customer, or employee data. Review and protect the output accordingly, and check the named provider’s current terms and your organization’s applicable data-handling rules before capturing real data. This workflow does not establish a specific legal conclusion for India.
Install Playwright and define the capture flow
The following TypeScript example uses Playwright Test. It separates authentication from the screenshot test: a setup test completes the real sign-in flow and stores browser state, and a dependent project reuses that state. Replace the example URLs, locators, and authenticated-page check with the Indian SaaS app’s actual login flow and UI.
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Install the test runner
In a Node.js project, install Playwright Test and its browser binaries:
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Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.npm init playwright@latestChoose TypeScript if prompted. The setup below uses the
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Keep the state file out of version control
Add the authentication directory to
.gitignore:playwright/.auth/Playwright warns that a browser state file may contain sensitive cookies and headers that could be used to impersonate the account. Do not commit it or publish it as a build artifact accessible to untrusted users.
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Create the authentication setup test
Save this as
tests/auth.setup.ts. SetAPP_LOGIN_URL,APP_TEST_EMAIL, andAPP_TEST_PASSWORDin your local environment or CI secret store. The label and button locators are examples; use locators that match the app.import { test as setup, expect } from '@playwright/test'; setup('authenticate', async ({ page }) => { await page.goto(process.env.APP_LOGIN_URL!); await page.getByLabel('Email').fill(process.env.APP_TEST_EMAIL!); await page.getByLabel('Password').fill(process.env.APP_TEST_PASSWORD!); await page.getByRole('button', { name: /sign in/i }).click(); // Replace with a reliable authenticated UI signal for your app. await expect(page.getByRole('button', { name: /account|profile/i })).toBeVisible(); await page.context().storageState({ path: 'playwright/.auth/user.json' }); });Wait for a trustworthy signal—such as the final URL or an authenticated UI element—before writing the state file. If the app supports an appropriate authentication API, the Playwright authentication guide also describes using it instead of automating the UI sign-in.
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Configure a setup project and a dependent capture project
Save this illustrative configuration as
playwright.config.ts. The setup project runs first; the capture project loads the state file before its tests.import { defineConfig } from '@playwright/test'; export default defineConfig({ projects: [ { name: 'setup', testMatch: /.*.setup.ts/ }, { name: 'capture', use: { storageState: 'playwright/.auth/user.json' }, dependencies: ['setup'], }, ], }); -
Open the protected route, verify the session, and capture
Save as
tests/capture.spec.ts. Replace the example route and signed-in check with those for your app.import { test, expect } from '@playwright/test'; test('capture authenticated dashboard', async ({ page }) => { await page.goto('https://app.example.in/dashboard'); await expect(page.getByRole('button', { name: /account|profile/i })).toBeVisible(); await page.screenshot({ path: 'artifacts/dashboard.png', fullPage: true }); });Run the test with
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Choose the screenshot extent and treatment
Playwright’s page.screenshot() supports the visible viewport, the full scrollable document, a rectangular clip, and locator masks. Use the option that matches the artifact you need:
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await page.screenshot({ path: 'artifacts/view.png' })captures the current viewport becausefullPagedefaults tofalse.await page.screenshot({ path: 'artifacts/full.png', fullPage: true })captures the full scrollable page.clipcan capture a specified rectangle when you need a particular region.maskwith locators can cover selected elements in the image. Review the saved artifact to make sure the intended private content is actually obscured; masking is not a substitute for controlling access to the original page or output.
For the complete option signatures and version-specific behavior, check the Playwright screenshot API.
Match storage state to the app’s authentication mechanism
The standard reusable state workflow covers cookies and local storage. Some applications rely on additional browser storage, so confirm how the app stores its authentication before assuming the basic JSON file is sufficient. The exact available options can vary by installed Playwright version; check the storageState API for the version in your project.
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- IndexedDB: If tokens or session data are stored there, use the documented
indexedDBoption when saving state, where supported. - sessionStorage: The ordinary reusable-state workflow does not persist it across page loads. Playwright’s authentication guide demonstrates saving it manually and restoring it with an initialization script.
- Other state: The current API documentation includes OPFS and virtual WebAuthn credential options. OPFS is not supported in ephemeral WebKit contexts. Verify both support and the exact option syntax against your installed version.
- Browser-specific login: A state file created in one browser may not work in another if authentication is browser-specific. Keep state separate when the app requires it.
Run reliably across tests and capture purposes
Choose account isolation for parallel runs
A shared account can work when tests run together without affecting one another’s server-side state. If tests change shared data, Playwright recommends a unique account per parallel worker to avoid conflicts.
Refresh expired authentication
A saved state file is not a permanent login. When the app invalidates the session, run the authentication setup again and replace the state. In Playwright UI mode, the setup project does not run by default; the authentication guide recommends running the setup when stored state expires.
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For repeatable visual comparisons, expect(page).toHaveScreenshot() generates a baseline on first run and compares later runs. Rendering can vary with the host operating system, browser version, settings, hardware, power source, and headless mode. Use a consistent execution environment for creating and checking baselines where possible. Playwright’s screenshot assertion waits for two consecutive screenshots to match before saving a new baseline; its visual comparisons guide also covers masking or styling out dynamic content and updating reference snapshots.
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Troubleshoot common failures
- The screenshot shows the login page: The saved state may be expired, may not contain the app’s required storage, or may have been loaded after navigation. Save state only after a confirmed sign-in, load it in the context before visiting the protected route, and assert an authenticated UI element before capture.
- Cookies load but the app still treats the browser as signed out: The app may keep tokens in IndexedDB or sessionStorage rather than only cookies or local storage. Check the app’s authentication mechanism and apply the corresponding state handling described above.
- The setup test cannot find the email, password, or sign-in controls: The sample locators do not match every app. Inspect the actual labels and accessible roles, then replace the locators and signed-in check with app-specific ones.
- The state file is missing when the capture project starts: Ensure the setup project matches the configured test filename, the capture project depends on setup, and the setup completed successfully before capture.
- The screenshot is cut off at the viewport: Set
fullPage: true; the default captures only the viewport. - A visual baseline changes unexpectedly: Run baseline creation and comparisons in a consistent browser and host environment. Identify dynamic content and mask or style it out only when appropriate.
- Parallel tests interfere with one another: Use separate accounts per worker when tests mutate shared server-side state; a shared account is suitable only when concurrent tests do not conflict.
- Sensitive material appears in a screenshot or state file: Restrict access to both files, remove exposed artifacts from public or shared locations, and refresh credentials or state if exposure could allow account impersonation.
Or skip the browser setup
For a one-call capture, ScreenshotNeo accepts a URL and returns an image or PDF. Its clean-shot workflow accepts cookie and consent banners and removes more than 60 known consent platforms, newsletter popups, and chat widgets before capture; those steps can be turned off. Bot checks and CAPTCHAs, blank pages, timeouts, failed loads, and cache hits cost nothing, and response headers report the page verdict and billing status. Its MCP server provides take_screenshot, get_page_info, and capture_pdf tools for AI agents. It is not a replacement for authenticating into an account you are authorized to use: do not send private page URLs or credentials unless the service and your data-handling rules permit it.
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpSee the ScreenshotNeo API documentation for authentication and request options. The Free plan includes 1,000 shots per month with no card; paid plans start at $5 for 3,000. Sign up for 1,000 free screenshots a month with no card.
Further reading
- Playwright authentication guide
- Playwright storageState API
- Playwright screenshot API
- Playwright visual comparisons guide
Frequently Asked Questions
Does this workflow depend on the SaaS app being hosted in India?
No. The Playwright steps are not specific to a country; the app’s own access rules and your organization’s data-handling requirements still apply.
Can one saved state file be reused across different browsers?
Not reliably when the app uses browser-specific authentication. Check the app’s behavior and create separate state for browser projects if needed.
Quick Recap
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