Cross Browser Test Automation for your Web Applications

Create tests in plain English that work across Chrome, Safari, Firefox, Edge and even APIs without rewriting or duplicating effort.

Self-healing tests adapt to UI and browser changes automatically with AI agents running them in parallel for faster feedback.

Achieve full coverage with cross-browser, cross-device, and API test execution across 3000+ real web and mobile environments.

Trusted by high-performing Quality Engineering teams

10X Faster Test Development

90% Lesser Test Maintenance

30% Shorter Development Cycle

Test Once, Validate Everywhere - Across Browsers, OS, and Screen Sizes

10x Faster Test Authoring with AI Agents

Generate cross-browser test cases instantly from design files, user sessions, or plain English instructions. Go from idea to execution in seconds, no code, no delays.

Run One Test Across All Browsers, Automatically

Write a test once, and Atto runs it across Chrome, Safari, Firefox, and Edge without rewriting. Speed up test execution and ensure consistent user experiences everywhere.

Self-Healing to Eliminate Flaky Tests

Atto’s self-healing AI agents auto-detect and fix broken tests caused by element changes across browsers so you spend less time debugging and more time shipping.

Real-World Conditions, Fully Simulated

Test how your apps perform in real conditions with network throttling, geolocation, and OS-specific behavior. Atto adapts to responsive layouts and browser quirks automatically.

Built for CI/CD and DevOps Pipelines

Plug into your CI/CD tools, VCS, and bug trackers. Every commit auto-triggers AI-powered tests—without slowing down your release cycles.

Continuous Feedback from Every Commit

Automate tests on every pull request or commit to catch issues early. Get fast, actionable feedback at every stage of development before bugs reach production.

Cloud-Based Platform for End-to-End testing

One platform to test web, mobile, desktop apps, and APIs.

Test Authoring

• Test recorder
• Plain English tests
• Element repository
• Reusable step groups
• Custom Add-ons

Test Management

• Requirements Management
• Version Control
• Review Management
• User and Role Management
• Test Data Maintenance

Test Execution

• Cloud Device Farm
• Local Testing
• Parallel Execution
• Scheduled Runs
• Agent Control

Seamlessly Fits Into Your Testing Workflow

Testsigma integrates with all your favorite tools, including JIRA, Jenkins, Azure DevOps, GitHub, and Bamboo to achieve continuous testing and feedback at DevOps speed. Ultimately, accelerate your release cycles and reduce time-to-market.

Testament of the Value Delivered

• Deepak
  QA Manager, Nokia
  "Testsigma changed the game for us - strategically, emotionally, and operationally. We’re not just building test scripts anymore. We’re building credibility."

• Ekam Kaur Kalra
  Senior QA Analyst, 5x
  "The clean UI and intuitive workflows make automation effortless. Instead of writing test cases from scratch, I can generate accurate AI-driven cases in minutes for any type of testing."

• Sathish Babu
  Sr. Engineering Manager
  "With Testsigma, our test automation speed increased by 400% for over 2500 tests. Its device lab ensures our releases are high-quality."

• Jan-Clément Leloup
  Technical Support Engineer
  "We chose Testsigma for its ease of use and flexibility. 80% of our test coverage is automated now, improving our software quality."

• Anurag Anand
  Senior Engineering Manager
  "We run 5000+ test cases overnight, wake up to the results, and fix issues swiftly. The productivity boost and resource optimization achieved with Testsigma are truly commendable."

• Ivana Vukelic
  Senior Quality Assurance Team
  "Testsigma has been a game-changer for our QA process. By automating 60–70% of our regression testing, we’ve significantly improved test coverage and reduced manual effort."

• Holly Pennington
  Test Manager
  "With Testsigma, we′ve reduced our test execution time from 8 weeks to just 5 weeks per sprint."

Frequently Asked Questions

How do we automate cross browser testing for all browsers?

Testsigma supports automated browser testing across a wide range of browsers and OS, including but not limited to Chrome, Firefox, Safari, Microsoft Edge across Windows, Mac, and Linux. This ensures comprehensive cross-browser testing for your web applications.