Best Cross-Browser Testing Tools in the USA

"Parasoft delivers an AI‑powered software testing platform that helps organizations continuously release high‑quality software. Our solutions support embedded and enterprise teams by integrating code analysis, testing, virtualization, and coverage into the delivery pipeline to improve security, reliability, and compliance while reducing cost and effort. Parasoft C/C++test provides static analysis, unit testing, code coverage, and requirements traceability for C and C++ applications. It integrates with Eclipse and Visual Studio, supports CI/CD automation, and is TÜV‑certified for safety‑ and security‑critical systems. Parasoft C/C++test CT is a scalable, compliance‑ready solution for C and C++ teams. It integrates into CI/CD workflows, supports open‑source unit testing frameworks, containers, VS Code, Bazel build systems, eliminates IDE dependencies, and is TÜV‑certified for safety‑ and security‑critical development."

Testsigma is an AI-native quality intelligence platform that gives QA and engineering leaders the evidence to answer that question. It compares test coverage against what is actually being built and produces a release confidence score with known confidence bounds. When gaps are found, Testsigma closes the loop: AI agents generate the missing tests, run them with self-healing, diagnose failures, and file complete bug reports. For teams that need comprehensive test execution, Testsigma supports web, mobile, API, and Salesforce testing with cross-browser and cross-device execution at scale on real devices. Testsigma serves mid-market and enterprise engineering teams across financial services, insurance, healthcare, manufacturing, retail, public sector, and technology. Recognized by Gartner in the Market Guide for AI-Augmented Enterprise Application Testing Tools and by Forrester in the Autonomous Testing Platforms Landscape.

Sahi Pro is a no-code test automation tool for web, desktop, mobile, and SAP applications. Sahi Pro empowers business testers and automation engineers to streamline their test automation processes. Sahi Pro reduces the time, effort, and complexity involved in test automation, making it an ideal choice for various domains including automobile, healthcare and BFSI. Features: 1. Non-flaky Test Execution - For reliable test results and reduced time wastage in analysis of false-positives or false-negatives. 2. Supports Multiple Technologies - Achieve end to end automation across technologies. 3. No-code Automation - Enable non-technical business testers to automate. 4. Integrations - Integrate and work with your existing ecosystem. Testers using Sahi Pro easily automate complex tests without writing code. With Sahi Pro, you can achieve faster release cycles, improved software quality, & reduced costs. Our customers love Sahi Pro for its speed, flexibility, and ease of use.

Katalon True Platform is an AI-powered software quality platform designed to streamline and enhance the entire testing lifecycle. It combines test automation, manual testing, test management, and execution into one unified system. The platform uses AI agents to assist with tasks such as requirement analysis, test generation, and bug reporting. Users can execute tests across web, mobile, API, and desktop applications from a single interface. It supports no-code, low-code, and full-code approaches, making it accessible to all types of testers. Katalon also provides advanced reporting and analytics for better decision-making. Overall, it helps teams deliver high-quality software faster and more efficiently.

Next-gen browser to build, test & debug mobile websites. Test website on different pre-installed mobile device view ports. See mobile view of website on android and iOS resolutions with LT Browser, a dev friendly browser for mobile view debugging. Can’t find your favorite device? With LT Browser, you can create your own custom device view port and save it for future uses. Create new mobile, tablet or desktop devices and test website on various devices, screen resolution and perform screen resolution test for website on different screen sizes. You don’t have to switch between two devices to perform mobile website test. Test on two devices simultaneously with LT Browser and perform mobile website test on different tablet and desktop sizes and inspect website on different resolutions simultaneously. LT Browser comes with DevTools to debug multiple device sizes while performing responsiveness test simultaneously. Test website on various device resolutions with separate DevTools for each.