Compare the Top Fuzz Testing Tools as of April 2025

What are Fuzz Testing Tools?

Fuzz testing tools are automated software tools used to detect bugs and vulnerabilities in computer systems. They generate large amounts of random input data to test the robustness of a system. These tools are commonly used in software development to enhance the quality and security of a product. Fuzz testing tools can be applied to various types of systems, including web applications, mobile apps, and operating systems. They have become an essential part of the testing process in modern software development due to their ability to uncover hidden flaws that traditional testing methods may miss. Compare and read user reviews of the best Fuzz Testing tools currently available using the table below. This list is updated regularly.

  • 1
    beSTORM

    beSTORM

    Beyond Security (Fortra)

    Discover code weaknesses and certify the security strength of any product without access to source code. Test any protocol or hardware with beSTORM, even those used in IoT, process control, CANbus compatible automotive and aerospace. Realtime fuzzing, doesn’t need access to the source code, no cases to download. One platform, one GUI to learn, with over 250+ prebuilt protocol testing modules and the ability to add custom and proprietary ones. Find the security weaknesses before deployment that are most often discovered by external actors after release. Certify vendor components and your own applications in your own testing center. Self-learning software module and propriety software testing. Customization and scalability for any business sizes up or down. Automatically generate and deliver near-infinite attack vectors and document any product failures. Record every pass/fail and hand engineering the exact command that produced each fail.
    Starting Price: $50,000.00/one-time
  • 2
    ImmuneBytes

    ImmuneBytes

    ImmuneBytes

    Fortify your blockchains with our impeccable audit services for unparalleled security in the decentralized realm. If you're spending sleepless nights worrying about losing funds to hackers, choose from our stack of services, and bid farewell to all your fears. In-depth analysis of the code by industry veterans to detect the vulnerabilities in your smart contract. Our experts secure your blockchain applications by mitigating risks through security design, assessment, audit, and compliance services. Our independent team of prolific penetration testers performs an extensive exercise to detect vulnerabilities and system exploits. We are the torch-bearers of making the space safer for everyone and do it by helping with a complete, systematic analysis to enhance the product's overall security. Recovery of funds is as equally important as a security audit. Have the facility to track user funds with our transaction risk monitoring system and boost users' confidence.
    Starting Price: Free
  • 3
    Black Duck

    Black Duck

    Black Duck

    Black Duck, part of the Synopsys Software Integrity Group, is a leading provider of application security testing (AST) solutions. Their comprehensive portfolio includes tools for static analysis, software composition analysis (SCA), dynamic analysis, and interactive analysis, enabling organizations to identify and mitigate security vulnerabilities throughout the software development life cycle. By automating the discovery and management of open-source software, Black Duck ensures compliance with security and licensing standards. Their solutions are designed to help organizations build trust in their software by managing application security, quality, and compliance risks at the speed their business demands. Black Duck empowers businesses to innovate securely and deliver software with confidence.
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