Best Web-Based Code Coverage Tools of 2025

Sahi Pro is a suite automation tools for web, Web-services, Windows desktop and Java applications. Sahi Pro features include automatic waits, recorders and accessor spy, inbuilt frame and editor, parallel playback, automatic reporting, automatic logging, and reporting. Also, Sahi Pro can save 70% of the time and effort that is normally spent on test automation. Sahi Pro has been trusted by more than 400 companies around the world and is quickly becoming the preferred tool for test automation in the agile world.

You know that you could be testing more to catch bugs earlier, but QA testing can take a lot of time, effort and resources to do it right. MuukTest can get growing engineering teams up to 95% coverage of end-to-end tests in just 3 months. Our QA experts create, manage, maintain, and update E2E tests on the MuukTest Platform for your web, API, and mobile apps at record speed. We begin exploratory and negative tests after achieving 100% regression coverage within 8 weeks to uncover bugs and increase coverage. The time you spend on development is reduced by managing your testing frameworks, scripts, libraries and maintenance. We also proactively identify flaky tests and false test results to ensure the accuracy of your tests. Early and frequent testing allows you to detect errors in the early stages your development lifecycle. This reduces the burden of technical debt later on.

Parasoft's mission is to provide automated testing solutions and expertise that empower organizations to expedite delivery of safe and reliable software. A powerful unified C and C++ test automation solution for static analysis, unit testing and structural code coverage, Parasoft C/C++test helps satisfy compliance with industry functional safety and security requirements for embedded software systems.

Introducing Xcode 12, which features a fresh design perfectly suited for macOS Big Sur. This version boasts customizable font sizes for the navigator, improved code completion, and innovative document tabs, making the coding experience more efficient and visually appealing. By default, Xcode 12 creates Universal apps that seamlessly run on Macs equipped with Apple Silicon without requiring any code alterations. With its layout tailored for macOS Big Sur, Xcode 12 showcases a navigator sidebar that extends to the top of the window and features distinctly clear toolbar buttons. The larger default font enhances readability, while users can select from various size options to suit their preferences. The introduction of new document tabs simplifies the organization of files within your workspace, allowing for a more structured workflow. This tab model enables users to effortlessly open new tabs with a double-click or keep track of selected files as they navigate. Furthermore, document tabs can be rearranged to form a cohesive set of files, and users have the ability to customize how content is displayed in each tab for optimal efficiency. Overall, Xcode 12 enhances the development experience with its thoughtful design and user-friendly features.

Velocity provides detailed, contextual analytics that enable engineering leaders to help their team members, resolve team roadblocks and streamline engineering processes. Engineering leaders can get actionable metrics. Velocity transforms data from commits to pull requests into the insights that you need to make lasting improvements in your team's productivity. Quality: Automated code reviews for test coverage, maintainability, and more so you can save time and merge with confidence. Automated code review comments for pull requests. Our 10-point technical debt assessment gives you real-time feedback so that you can focus on the important things in your code review discussions. You can get perfect coverage every time. Check coverage line-by-line within diffs. Never merge code again without passing sufficient tests. You can quickly identify files that are frequently modified and have poor coverage or maintainability issues. Each day, track your progress towards measurable goals.

NCrunch provides real-time tracking of your code coverage, displaying markers alongside your code for easy identification of areas with high or low coverage. This feature simplifies the process of recognizing coverage distribution across your project. Designed specifically for large and intricate projects, NCrunch has been refined over the past 12 years to accommodate the demands of extensive systems that include millions of lines of code and thousands of tests. It captures a wide array of test-related data, leveraging this information to deliver essential feedback as promptly as possible. The system prioritizes tests that have been affected by your recent code modifications, utilizing advanced IL-based change mapping for optimal performance. Additionally, NCrunch allows for offloading build and testing tasks to other machines, enabling you to distribute the workload across connected systems or even scale up to cloud resources. This collaborative approach facilitates resource sharing among developers, empowering teams to combine their testing capabilities effectively. Ultimately, this innovative functionality enhances the efficiency and productivity of the software development process.

Enhance your productivity by ensuring only high-quality code is released, as SonarQube Cloud (previously known as SonarCloud) seamlessly evaluates branches and enriches pull requests with insights. Identify subtle bugs to avoid unpredictable behavior that could affect users and address security vulnerabilities that threaten your application while gaining knowledge of application security through the Security Hotspots feature. Within moments, you can begin using the platform right where your code resides, benefiting from immediate access to the most current features and updates. Project dashboards provide vital information on code quality and readiness for release, keeping both teams and stakeholders in the loop. Showcase project badges to demonstrate your commitment to excellence within your communities. Code quality and security are essential across your entire technology stack, encompassing both front-end and back-end development. That’s why we support a wide range of 24 programming languages, including Python, Java, C++, and many more. The demand for transparency in coding practices is on the rise, and we invite you to be a part of this movement; it's completely free for open-source projects, making it an accessible opportunity for all developers! Plus, by participating, you contribute to a larger community dedicated to improving software quality.

Enhance the quality of your code by adopting healthier coding practices and refining your code review process. Codecov offers a suite of integrated tools designed to organize, merge, archive, and compare coverage reports seamlessly. This service is free for open-source projects, with paid plans beginning at just $10 per user each month. It supports multiple programming languages, including Ruby, Python, C++, and JavaScript, and can be effortlessly integrated into any continuous integration (CI) workflow without the need for extensive setup. The platform features automatic merging of reports across all CI systems and languages into a unified document. Users can receive tailored status updates on various coverage metrics and review reports organized by project, folder, and test type, such as unit or integration tests. Additionally, detailed comments on the coverage reports are directly included in your pull requests. Committed to safeguarding your data and systems, Codecov holds SOC 2 Type II certification, which verifies that an independent third party has evaluated and confirmed their security practices. By utilizing these tools, teams can significantly increase code quality and streamline their development processes.

DeepSource streamlines the process of identifying and resolving code issues during reviews, including risks of bugs, anti-patterns, performance bottlenecks, and security vulnerabilities. Setting it up with your Bitbucket, GitHub, or GitLab account takes under five minutes, making it incredibly convenient. It supports various programming languages such as Python, Go, Ruby, and JavaScript. Additionally, DeepSource encompasses all essential programming languages, Infrastructure-as-Code capabilities, secret detection, code coverage, and much more. This means you can rely solely on DeepSource for code protection. Initiate your development with the most advanced static analysis platform, ensuring that you catch bugs before they make their way into production. It boasts the largest array of static analysis rules available in the market. Your team will benefit from having a centralized location to monitor and address code health effectively. With DeepSource, code formatting can be automated, ensuring your CI pipeline remains intact without style violations disrupting the process. Furthermore, it can automatically generate and implement fixes for detected issues with just a few clicks, enhancing your team's productivity and efficiency.

Thanks to a comprehensive array of tools and APIs available from leading cloud providers, developing services in Go has never been more accessible. The language's extensive open-source libraries, combined with its powerful standard library, make it ideal for crafting swift and sophisticated command-line interfaces. Go's exceptional memory management and compatibility with multiple integrated development environments enhance its capability to drive rapid and scalable web applications. With quick compilation times and a clean syntax, along with built-in formatting and documentation tools, Go is tailored to meet the needs of both DevOps professionals and site reliability engineers. This is a deep dive into everything related to Go. Whether you are embarking on a fresh project or looking to refine your existing Go skills, there’s a structured interactive introduction that is divided into three parts. Each part offers practical exercises to reinforce your understanding, and the Playground feature allows users to write Go code directly in a browser, which is then compiled, linked, and executed on our servers instantly. This hands-on approach makes learning Go not only effective but also enjoyable.

Early is an innovative AI-powered solution that streamlines the creation and upkeep of unit tests, thereby improving code integrity and speeding up development workflows. It seamlessly integrates with Visual Studio Code (VSCode), empowering developers to generate reliable unit tests directly from their existing codebase, addressing a multitude of scenarios, including both standard and edge cases. This methodology not only enhances code coverage but also aids in detecting potential problems early in the software development lifecycle. Supporting languages such as TypeScript, JavaScript, and Python, Early works effectively with popular testing frameworks like Jest and Mocha. The tool provides users with an intuitive experience, enabling them to swiftly access and adjust generated tests to align with their precise needs. By automating the testing process, Early seeks to minimize the consequences of bugs, avert code regressions, and enhance development speed, ultimately resulting in the delivery of superior software products. Furthermore, its ability to quickly adapt to various programming environments ensures that developers can maintain high standards of quality across multiple projects.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.codacy.com%2F

Would you prefer an instant setup for all your needs, or do you value the ability to tailor your environment and workflow? CodeShip empowers developers to choose the most effective route for their needs, enhancing productivity and allowing teams to adapt over time. It offers a comprehensive suite of features, from deployment and notifications to code coverage, security scanning, and on-premise source control management, enabling seamless integration with any necessary tools, services, or cloud platforms for an ideal workflow. Our goal is not only to make CodeShip user-friendly but also to deliver prompt and comprehensive support for developers. When you encounter an issue or require assistance, having access to knowledgeable technical support without delay is crucial, and that’s a commitment we uphold at CodeShip. You can initiate your builds and deployments in under five minutes using CodeShip’s straightforward environment and intuitive interface. As your projects expand, you can gradually transition to more advanced workflows and configuration-as-code, ensuring your tools grow with your needs. This flexible approach ensures that as your requirements change, your workflow can adapt without missing a beat.

Appvance IQ (AIQ), delivers transformative productivity gains and lower costs for both test creation and execution. It offers both AI-driven (fully automated tests) and 3rd-generation codeless scripting for test creation. These scripts are then executed using data-driven functional and performance, app-pen, and API testing -- both for web and mobile apps. AIQ's self healing technology allows you to cover all code with only 10% of the effort required by traditional testing systems. AIQ detects important bugs automatically and with minimal effort. No programming, scripting, logs, or recording are required. AIQ can be easily integrated with your existing DevOps tools, processes, and tools.

Atlassian Clover has long served as a trusted tool for code coverage analysis for Java and Groovy developers, enabling us to dedicate our resources to enhancing features and refining our primary products like Jira Software and Bitbucket. This steadfast reliability prompted our choice to transition Clover to an open-source model, which we believe will provide it with the focus and support necessary for growth. We are thrilled to invite developers to engage with Clover, as they have successfully done with our other open-source initiatives, such as the IDE connectors and various libraries. While Clover is already a robust tool for measuring code coverage, we are eager to witness the innovations and improvements that the community will bring to this valuable resource. The collaboration and contributions from developers will undoubtedly help Clover reach its full potential.

dotCover is a powerful code coverage and unit testing tool designed for .NET that seamlessly integrates into Visual Studio and JetBrains Rider. This tool allows developers to assess the extent of their code's unit test coverage while offering intuitive visualization features and is compatible with Continuous Integration systems. It effectively calculates and reports statement-level code coverage for various platforms including .NET Framework, .NET Core, and Mono for Unity. As a plug-in to popular IDEs, dotCover enables users to analyze and visualize coverage directly within their coding environment, facilitating the execution of unit tests and the review of coverage outcomes without having to switch contexts. Additionally, it boasts support for customizable color themes, new icons, and an updated menu interface. Bundled with a unit test runner shared with ReSharper, another JetBrains product for .NET developers, dotCover enhances the testing experience. It also supports continuous testing, allowing it to dynamically identify which unit tests are impacted by code modifications as they occur. This real-time analysis ensures that developers can maintain high code quality throughout the development process.

Experience the power of CodeRush features immediately and witness their incredible capabilities. With robust support for C#, Visual Basic, and XAML, it offers the fastest .NET testing runner available, state-of-the-art debugging, and an unparalleled coding experience. Effortlessly locate symbols and files within your project and swiftly navigate to relevant code elements based on the current context. CodeRush boasts Quick Navigation and Quick File Navigation functionalities, streamlining the process of finding symbols and accessing files. Additionally, the Analyze Code Coverage feature enables you to identify which sections of your solution are safeguarded by unit tests, highlighting areas that may be vulnerable within your application. The Code Coverage window provides a detailed view of the percentage of statements covered by unit tests across each namespace, type, and member in your solution, empowering you to enhance your code quality effectively. By utilizing these features, you can significantly elevate your development workflow and ensure better application reliability.

Mayhem is an innovative fuzz testing platform that integrates guided fuzzing with symbolic execution, leveraging a patented technology developed at CMU. This sophisticated solution significantly minimizes the need for manual testing by autonomously detecting and validating defects in software. By facilitating the delivery of safe, secure, and reliable software, it reduces the time, cost, and effort typically required. One of Mayhem's standout features is its capability to gather intelligence about its targets over time; as its understanding evolves, it enhances its analysis and maximizes overall code coverage. Every vulnerability identified is an exploitable and confirmed risk, enabling teams to prioritize their efforts effectively. Furthermore, Mayhem aids in remediation by providing comprehensive system-level insights, including backtraces, memory logs, and register states, which expedite the diagnosis and resolution of issues. Its ability to generate custom test cases in real-time, based on target feedback, eliminates the need for any manual test case creation. Additionally, Mayhem ensures that all generated test cases are readily accessible, making regression testing not only effortless but also a continuous and integral part of the development process. This seamless integration of automated testing and intelligent feedback sets Mayhem apart in the realm of software quality assurance.

BMC Compuware Xpediter comprises a suite of debugging and interactive analysis tools designed for COBOL, Assembler, PL/I, and C programming languages, enabling developers to swiftly grasp application structures, implement modifications, and resolve issues securely, even when they lack familiarity with the original codebase. This platform allows developers to initiate interactive test sessions with ease, facilitating a smoother transition of applications into production while boosting their confidence in the process. Users can execute code line by line, gaining control over every facet of program execution and associated data. The inclusion of Code Coverage provides evidence of execution and valuable metrics for applications across various platforms. Additionally, developers can utilize Abend-AID's diagnostic features directly within their debugging sessions. The integration with Topaz for Program Analysis offers a visual representation of the source code, enhancing the debugging experience. Furthermore, Topaz for Total Test aids in creating a thorough collection of automated virtualized test cases, ensuring comprehensive testing. It even allows for the interception and debugging of mainframe transactions that are triggered remotely, showcasing its versatility in different environments. By utilizing these advanced tools, developers can significantly enhance their productivity and application reliability.

OneTest Embedded simplifies the automation of creating and deploying component test harnesses, test stubs, and test drivers with ease. With just a single click from any development environment, users can profile memory usage and performance, evaluate code coverage, and visualize how programs execute. This tool also enhances proactive debugging, helping developers identify and rectify code issues before they escalate into failures. It fosters a continuous cycle of test generation by executing, reviewing, and enhancing tests to quickly achieve comprehensive coverage. Building, executing on the target, and generating reports takes only one click, which is essential in preventing performance problems and application crashes. Furthermore, OneTest Embedded can be customized to accommodate unique memory management techniques prevalent in embedded software. It also provides insights into thread execution and switching, which is crucial for gaining a profound understanding of the system's operational behavior under testing conditions. Ultimately, this powerful tool streamlines testing processes and enhances software reliability.

Our platform uses a variety of security techniques, including feedback-based fuzz testing and coverage-guided fuzz testing, in order to generate millions upon millions of test cases that trigger difficult-to-find bugs deep in your application. This white-box approach helps to prevent edge cases and speed up development. Advanced fuzzing engines produce inputs that maximize code coverage. Powerful bug detectors check for errors during code execution. Only uncover true vulnerabilities. You will need the stack trace and input to prove that you can reproduce errors reliably every time. AI white-box testing is based on data from all previous tests and can continuously learn the inner workings of your application. This allows you to trigger security-critical bugs with increasing precision.

Maintain high-quality code while adhering to agile development cycles. Jtest's extensive Java testing tools will ensure that you code flawlessly at every stage of Java software development. Streamline Compliance with Security Standards. Ensure that your Java code conforms to industry security standards. Automated generation of compliance verification documentation Get Quality Software Out Faster Java testing tools can be integrated to detect defects faster and more efficiently. Reduce time and costs by avoiding costly and complicated problems later. Increase your return on unit testing. Create a set of JUnit test suites that are easy to maintain and optimize for code coverage. Smart test execution allows you to get faster feedback from CI as well as within your IDE. Parasoft Jtest integrates seamlessly into your development ecosystem and CI/CD pipeline for real-time, intelligent feedback about your testing and compliance progress.

Codase offers a vast repository of open-source code, significantly enhancing accessibility by reaching code that is often tucked away in compressed archives and version control systems, areas where typical search engines struggle to operate efficiently. Moreover, Codase prioritizes high-quality code by ensuring that every single line is meticulously validated and compiled through an advanced source code analysis engine. This company, privately owned and situated in Silicon Valley, was established by Dr. Huihong Luo alongside other industry veterans. Our team consists of forward-thinking and enthusiastic experts with varied technological and business expertise, all boasting impressive track records. We strive to position Codase as the premier search engine for source code, excelling in features, quality, performance, and comprehensive code coverage. Developers may discover Codase to be an invaluable resource, as our principal aim is to enhance your coding efficiency and productivity. Ultimately, we believe that by providing such a robust platform, we can empower developers to achieve more in their coding endeavors.