Automation Testing Tool Online

The world's fastest, most scalable cloud-based automation testing tool that lets software teams test their websites, web applications, and mobile apps on more than 3,000 real browsers and operating systems.



A reliable, scalable, secure, and high performing test execution cloud that empowers development and testing teams to accelerate their release cycles.

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Run end-to-end tests on a blazing fast cypress test execution cloud. Test on 40+ different browser and browser versions including headless versions.

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A scalable, secure and high-performing Appium test execution cloud that empowers development and testing teams to accelerate their release cycles.

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A next-gen test execution platform that can match your local test execution speeds and costs as much as a flexible spot instance cloud.

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Run your Playwright tests directly on the cloud, over powerful hardware, in an environment that scales effortlessly. Tests on more than 50+ browsers and OS.

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Run your Puppeteer tests online. Deploy a quality build faster by running automated checks across 50+ browsers and OS combinations.

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Test your Native Android apps on cloud using Espresso with real devices online including SmartPhones from Samsung, OnePlus, Oppo, Xioami and more.

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Test your Native iOS apps on cloud using XCUITest with thousands of real iPhone and iPads. Access apple devices online with latest and legacy iOS.

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2 Million+






Enhance Test Reliability with Auto-Healing

Overcome the challenges of flaky tests and unexpected failures with Auto Healing. Experience your test suite becoming more robust and reliable by automatically recovering from certain failures without manual intervention.
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Selenium Parallel Testing

Test Execution Speeds that are Unmatched

Run your test scripts on the fastest test execution platform online. With LambdaTest you can cut down your test execution time significantly.
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Test Confidently with LambdaTest SmartWait

Perform actionability checks powered by the innovative SmartWait Algorithm, ensuring precise execution and minimizing false positives. Enhance automation capabilities, streamline testing processes, and deliver exceptional software quality.
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Bypass Firewalls for Seamless Test Execution

Easily overcome network restrictions and ensure smooth test execution by seamlessly bypassing firewalls or proxy servers during software testing. Integrate custom headers into tests to effectively tackle network limitations while maintaining network security, enabling comprehensive testing of your software.
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Selenium Parallel Testing
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Test Fast and Test Often with LambdaTest

Reduce the turnaround time by using a cloud-based automation testing tool that is built to scale as per your test requirements. Execute tests at every stage of development, from Shift Left to Shift Right, easily with LambdaTest.
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Automation Testing Tool of 3000+ browsers

The LambdaTest cloud-based automation testing tool enables users to test their websites on 3000+ combinations of all major browsers and operating systems (both mobile and desktop devices) with a single click. This helps you deliver a cross-browser compatible experience for websites or web apps.
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No More Flaky Tests, Ship with Confidence

LambdaTest’s automation testing tool provides a robust cloud-based infrastructure that lets you run automated tests on real devices. This way, you can accelerate your testing cycles while simultaneously decreasing test flakiness. Ship with confidence using LambdaTest.
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Experience A Secure Automation Testing Tool

Data security is a top priority at our company. We are SOC2 Type 2 certified, CCPA and GDPR compliant, and have enterprise-ready security measures in place.
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Traditional Testing vs Hyperexecute

HyperExecute - Fastest Test Execution Cloud Ever

HyperExecute is the fastest cloud-based automation testing tool for extensive cross browser testing. HyperExecute accelerates test execution by up to 70 percent, ensuring that critical bugs are found as quickly as possible, and allowing you to deliver enterprise applications faster.
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Get 100 minutes of testing for FREE !! The only free for lifetime UI automation testing tool.

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Powerful Cloud Testing Platform to Accelerate Your Go-To-Market

Secure, reliable, and high performance test execution cloud built for scale

Run Selenium automation scripts on a scalable, secure, and reliable Selenium Grid cloud. Run Selenium, Appium, and JavaScript tests at scale on 3000+ desktop and mobile devices.

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Here's why LambdaTest is the choice of test automation cloud for 2 Million+ developers & quality analysts


Seamlessly Integrate With Complete CI/CD Tech Stack

Get detailed insights of your automation tests in your CI/CD pipelines by integrating with your favorite DevOps tools.

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Why Choose LambdaTest As An Automation Testing Tool

Here’s why LambdaTest is the most preferred choice of 2 Million+ developers & quality analysts for automation testing on cloud

24/7 Support

24/7 Support

Get access to industry leading 24/7 dedicated support

 Zero Test Flakiness

Zero Test Flakiness

Highly reliable and accurate infrastructure that has no flakiness

120+ Integrations

120+ Integrations

Fits seamlessly into your testing stack with out-of-the box integrations

3000+ environments

3000+ environments

Best browser coverage across on any cloud grid

How LambdaTest is helping Global Enterprises

Trusted by startups, SMBs and big enterprises alike.


By being able to run our Selenium scripts on the legacy and latest browsers on LambdaTest helped us save significant time in test execution with zero hassle to maintain the infra.

Anish Ohri

Head of Testing and Performance Engineering


Increased Browser Coverage

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

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Frequently Asked Questions

Which is the most widely used automation testing tool?
Selenium is one of the most renowned automation testing framework. It offers compatibility across all major programming languages and browsers. Selenium Grid allows you to execute multiple test cases in parallel. Testers prefer to use a cloud-based automation testing tools such as LambdaTest that helps them scale their Selenium test scripts over a scalable infrastructure hosted on cloud.
What is parallel testing?
Parallel testing is one of the best ways to cut down overall test execution time of the whole test build. If you have test builds of multiple tests, parallel testing at LambdaTest will allow you to run these Selenium webdiver tests across multiple machines simultaneously. so if you have a build of 100 tests, and are subscribed on 10 parallel testing plan, then you can run upto 10 test threads simultaneously across 10 machines. Running tests in parallel will cut down drastically your overall build test execution times.
What is HyperExecute?
HyperExecute is an unique LambdaTest platform aimed at enabling teams executing thier test scripts at the fastest possible times. HyperExecute is an innovative new take on test execution on cloud and runs tests at speeds that even exceeds the local test execution speeds. The platform is flexible enough to run on VMs, MacOS infrastucure, and even Containers. And the best part is that it costs as much as spot instance cloud.
What is automation testing?
Automation testing refers to execution of test scripts, written in any programming languages to automate repetitive and mundane test scenarios. The purpose of automation Testing is to offload testers so they could focus on finding critical bugs for the application. Automation Testing Tool is especially useful for daily sanity checks and regression testing, helping testers save a lot of time, effort and bandwidth.
Can we automate UI using Selenium?
Selenium is a one of the most popular open-source framework avaiable for UI test automation. It allows you to automate any interaction inside a browser. Selenium is compatible with all major programming languages and supports all major browsers to help testers perform automated browser testing, effortlessly.
How can I automate with Selenium using LambdaTest?
The LambdaTest Selenium Automation Grid allows you to run end-to-end automation tests on a secure, robust, and scalable Selenium infrastructure. You can perform automated cross-browser testing across 3000 browsers and operating systems, resulting in higher test coverage and much shorter build times. Refer to our Selenium Automation testing documentation .