To add visual regression checks to a Playwright suite, install Applitools Eyes, set APPLITOOLS_API_KEY outside your source code, import Applitools’ Playwright fixture, and call eyes.check() after the page reaches a stable state. Then review each reported difference and accept it only if the visual change is intentional. A visual checkpoint complements functional assertions; it does not verify every behavior of your application.
Choose the Applitools SDK that matches your project
Applitools documents Playwright SDK options for TypeScript fixtures and standard usage, as well as Java, C#, and Python. The setup and code below use the JavaScript/TypeScript Fixtures SDK; its import path and fixture pattern are not interchangeable with the other language variants. Choose the instructions for your language in Applitools’ SDK selection guide.
Install Eyes and initialize the Playwright integration
Applitools’ current onboarding guide describes installing @applitools/eyes-playwright and running npx eyes-playwright setup. The setup command can add configuration and an example visual test.
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From your Playwright project directory, install the package using the current instructions in Applitools’ Playwright integration guide.
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Run
npx eyes-playwright setupif it is supported by the package version you installed. Review the generated configuration and example rather than assuming the command’s output is identical across versions. -
Set the API key as
APPLITOOLS_API_KEYin your local environment and in your CI provider’s protected secret store. Applitools recommends an environment variable instead of hardcoding the key in project configuration; the key authorizes test runs. See Applitools’ API-key instructions.
Do not commit a real key, put it in a test fixture, or print it in CI logs. Check the live integration guide and the version installed in your project before copying setup commands because package interfaces can change.
Add a visual checkpoint with the Eyes fixture
For the Fixtures SDK, import the Applitools-enhanced test and use its eyes fixture. First navigate and establish the state you want to test; then capture a named checkpoint:
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import { test as eyesTest } from '@applitools/eyes-playwright/fixture';
eyesTest('homepage visual check', async ({ page, eyes }) => {
await page.goto('https://example.com');
await expect(page.getByRole('heading', { name: 'Example Domain' })).toBeVisible();
await eyes.check('Homepage', {
fully: true,
matchLevel: 'Strict',
});
});The visual assertion and the functional assertion have different jobs: the heading assertion checks a specific behavior or condition, while the Eyes checkpoint compares the rendered interface with its baseline. Applitools advises giving eyes.check() calls meaningful names so they are easy to identify in the dashboard. The fixture workflow manages Eyes lifecycle and result collection as described in its integration documentation.
Choose the checkpoint scope and comparison behavior
Scope the checkpoint to the visual question you want answered. A full-page capture checks overall composition; a locator-based region isolates a component. Match settings and exclusions should reflect the component and the kinds of changes your team considers important.
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| Control | Use it for | Example or caution |
|---|---|---|
| Full page | Page-level layout and composition, including content beyond the initial viewport. | Use fully: true; confirm the page is in a stable state before capture. |
| Element region | A component such as a navigation bar when the rest of the page is outside the test’s scope. | Pass a Playwright locator as region; Applitools’ guide demonstrates region checks. |
| Match level | Controlling how visual differences are evaluated for a checkpoint. | The integration guide recommends Strict and also shows Layout in a component-region example. Choose and validate a level for your interface. |
| Ignored regions | Small, known areas with content that varies but is not under test. | Exclude only the specific variable area; broad exclusions can conceal meaningful regressions. |
| Floating regions and displacement handling | Cases where a region’s movement or position needs special treatment. | Use only where that behavior is intentional and relevant to the test. |
Example of a component checkpoint, using a locator as the region:
await eyes.check('Primary navigation', {
region: page.getByRole('navigation', { name: 'Primary' }),
matchLevel: 'Layout',
});For nondeterministic elements such as a timestamp or rotating content, prefer stabilizing the page in the test when practical. If that is not practical, narrowly configure an ignored region. The integration guide also documents failTestsOnDiff values of afterEach, afterAll, or false; choose a policy according to when your project wants visual differences to affect test outcomes, and verify the current behavior in the SDK documentation.
Review differences and update baselines deliberately
Eyes sends captured checkpoints to its server for comparison with saved baselines. A difference is a review item, not proof by itself that a change is either a defect or an improvement. Inspect the report in context before changing the baseline.
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Open the Eyes result in the enhanced report or dashboard and inspect the changed area and surrounding UI.
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Decide whether the difference is an intended product change. Consider the related functional assertions and the expected behavior of the affected page or component.
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Accept an intentional change to save a new baseline for future comparisons. Reject an unintended change so it remains a failure to address.
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Baseline mutation requires authentication. The custom reporter can add Eyes results to Playwright’s HTML report; the integration instructions say results may be reviewed there without signing in to the dashboard, but accepting or rejecting baseline changes requires authentication. See Applitools’ integration instructions.
Understand the test and hosting flow
Your Playwright suite drives the application. The Eyes SDK captures checkpoints and sends them to the Eyes Server, which compares them against stored baselines and returns results for review. Applitools documents public-cloud, dedicated-cloud, and on-premises server configurations. The actual hosting choice matters to your deployment and data-handling decisions; do not infer residency or security guarantees without checking the configuration your organization selects. Details are in Applitools’ system overview.
Visual AI is Applitools’ stated approach to reducing noise associated with rendering differences such as anti-aliasing and font rendering. That is vendor positioning, not a guarantee that all pixel differences disappear or that every team will see the same results. Validate the workflow against your application and environments; no independent performance statistic is established here.
Keep the suite maintainable
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Use descriptive checkpoint names tied to a page or component and meaningful UI state.
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Make the application state deterministic before capturing; wait for the relevant content and avoid taking snapshots during transitions.
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Use full-page checks for page-level questions and locator regions for focused component checks.
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Keep dynamic-content exclusions narrow and review them when the interface changes.
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Pass the Eyes object into a page object only if that abstraction makes checkpoints clearer. Applitools documents a page-object pattern, but a small suite may be simpler with checks in the test itself.
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Decide whether a visual diff should fail after each test, after the full run, or be handled under a review-oriented policy using the supported
failTestsOnDiffsetting.
Troubleshoot common setup and review problems
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The
eyesfixture is unavailable: Confirm you importedtestfrom@applitools/eyes-playwright/fixture, not only from Playwright’s standard package, and check that the installed package version supports the documented fixture workflow. -
Authentication or API-key errors: Verify that
APPLITOOLS_API_KEYis set in the environment where Playwright actually runs, including the CI job, and that it is the execution key for the intended account. Avoid exposing it in logs. -
A checkpoint captures an incomplete or shifting page: Add ordinary Playwright waits and assertions for the content or state that matters before calling
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Repeated diffs come from dynamic content: Stabilize the test data where possible. Otherwise, identify the exact variable area and configure a narrow ignored region rather than excluding a large part of the interface.
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Changes are not failing at the point you expect: Review the project’s
failTestsOnDiffpolicy and confirm the installed SDK’s current semantics forafterEach,afterAll, andfalse. -
You can see results but cannot change the baseline: Baseline acceptance or rejection requires authentication; use an authorized account and follow your team’s review policy.
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Commands or imports do not match examples: Setup interfaces can vary by SDK version. Compare your installed package and language variant with the live Applitools integration guide rather than copying a TypeScript fixture import into another SDK.
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If your immediate need is a screenshot rather than a baseline-driven visual test, ScreenshotNeo is a website screenshot API and MCP server for developers. Its one-call API returns an image or PDF; it is not a replacement for Eyes’ baseline comparison and review workflow.
For example, save a WebP screenshot of a URL with cURL:
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Frequently Asked Questions
Can I use Applitools Eyes with Playwright in languages other than TypeScript?
Yes. Applitools lists Playwright SDK options for TypeScript fixtures and standard usage, Java, C#, and Python. Follow the language-specific integration instructions rather than reusing the TypeScript fixture imports.
Do visual tests replace Playwright functional assertions?
No. Use functional assertions to verify behavior and visual checkpoints to compare rendered UI against a baseline; the two checks cover different concerns.
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