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Detect UI Flaws Instantly with SmartUI's Visual AI Engine

Leverage Visual AI Engine to spot elusive visual bugs and achieve precise, noise-free visual testing, ensuring cleaner and accurate results.

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Trusted by 2M+ users globally at

Microsoft
OpenAI
Nvidia
Boomi

"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"

Hrishi Potdar , Quality Engineering Architect

Boomi
GitHub
Best Egg

"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."

Tenny , Engineering Operations Lead

Best Egg
Workday
Akamai
Louis Vuitton
NBCUniversal
City Furniture

"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."

Nicholas Paulsen , Senior Quality Engineer

City Furniture
Cox
Transavia

"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."

Daniel de Bruijn , Quality Assurance Automation Engineer

Transavia
Estée Lauder
TripAdvisor
Bohoo

Boost Visual Testing with SmartUI Visual AI

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  • CheckDetect and highlight key visual differences across browsers and devices.
  • CheckGet AI insights into detected changes, like CSS and layout shifts.
  • CheckShare AI-generated reports with annotated screenshots and suggested next steps.

Accelerate Triaging with Smart RCA

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  • CheckPinpoint visual bugs by analyzing changes in the DOM, CSS, and component structure.
  • CheckAccelerate debugging with AI insights to analyze changes and suggest fixes.
  • CheckStreamline developer handoff with clear, actionable data on visual regression causes.

Hide Displacement Diffs With Smart Ignore

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  • CheckFilter out irrelevant layout shifts with AI-native detection.
  • CheckFocus on key visual changes, improving the accuracy of your tests.
  • CheckReduce false positives and noise in your test results for cleaner comparisons.

Key Features for Enhanced Visual Testing Accuracy

Page Shift Detection

Page Shift Detection

Pinpoint the exact pixels causing a page shift, avoiding the need to mark the entire page content as a diff.

Addressing Anti-Aliasing Noise

Addressing Anti-Aliasing Noise

With computer vision ensure pixel-perfect rendering, removing false positives caused by anti-aliasing.

Advanced Text Stabilization

Advanced Text Stabilization

Neutralize subtle text shifts in rendering to maintain consistency and ensure accurate results.

Smart PDF Comparison

Smart PDF Comparison

Effortlessly compare PDF documents with SmartUI, ensuring precise visual consistency and fast, reliable results.

Inspect UI Without Status & Footer

Inspect UI Without Status & Footer

Excludes status bars and footers to focus on core UI, ensuring accurate validation and minimizing discrepancies.

Ignore Regions

Ignore Regions

Annotate screenshots by drawing and defining regions to ignore or select for comparisons.

SmartUI SDK supports various Frameworks

Selenium

Selenium

Run tests across browsers in Java, Python, JS, and more.

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Playwright

Playwright

Cross-browser automation across Chromium, Firefox, and WebKit.

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Puppeteer

Puppeteer

Headless Chrome and Chromium automation via Node.js.

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Cypress

Cypress

End-to-end web app testing with real browser access.

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Appium

Appium

Automate native and hybrid apps on iOS and Android.

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Espresso

Espresso

Native Android UI tests with built-in synchronization.

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XCUITest

XCUITest

Native UI test automation for iOS and macOS apps.

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Jest

Jest

Write and run JavaScript tests with built-in mocking and coverage.

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Run Your First Visual Regression Test!

Check out our documentation to run your first Visual Regression test and deliver pixel perfect websites and apps.

Know More Know more about Visual regression
visual regression

Success Stories of TestMu AI (Formerly LambdaTest)

Dashlane

50%

reduction in test execution time

“HyperExecute is a highly reliable test execution platform and has excellent customer support.”

Sagar Uday Kumar

Sr. Engineering Manager

More Reasons to Love TestMu AI (Formerly LambdaTest)

TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™

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TestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025

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Wall of Fame

TestMu AI is #1 choice for SMBs and Enterprises across the globe.

Enterprise-Grade Security

We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.

Integrations

Works where you work, 120+ integrations with the tools your team relies on.

Users

3M+

Tests

1.5B+

Enterprises

18K+

Countries

132

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TestMu AI forEnterprise

Get access to solutions built on Enterprise
grade security, privacy, & compliance

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  • Advanced Local Testing
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  • Early access to beta features
  • Private Slack Channel
  • Unlimited Manual Accessibility DevTools Tests