Fujitsu Launches Game-Changing Generative AI Service to Revolutionize Legacy System Modernization in Japan
Key Announcement Highlights:
- Fujitsu Application Transform: Powered by Fujitsu Kozuchi, aims to reduce design document generation time by 97%.
- SaaS Launch: Available in Japan starting March 30, 2026.
- Enhanced Technology: Leverages proprietary tools to improve design documentation accuracy and readability.
- Future Innovations: Plans to introduce more features for code rebuilding and maintenance support.
Revolutionizing Legacy System Modernization: Fujitsu Launches Application Transform
KAWASAKI, Japan, Mar 30, 2026 – In a significant stride towards modernizing legacy systems, Fujitsu has unveiled its latest innovation, Fujitsu Application Transform, powered by Fujitsu Kozuchi. This generative AI service promises to streamline the traditionally cumbersome process of source code analysis and design document generation, achieving an extraordinary reduction in work time by approximately 97%.
What Is Fujitsu Application Transform?
Launched as a Software as a Service (SaaS) on March 30, 2026, Fujitsu Application Transform is designed to facilitate the modernization of organizations by leveraging both Fujitsu’s extensive system development expertise and its advanced generative AI capabilities. The service specializes in analyzing legacy programming languages, including COBOL, generating detailed design documents that clarify system content, and ultimately aiding companies in upgrading their outdated systems.
A Leap Forward in Legacy System Management
Building on the success of its predecessor—a software analysis and visualization service introduced in February 2025—this innovative solution standardizes the analysis technology and automates design document generation. Using advanced code analysis techniques, Fujitsu Application Transform utilizes its proprietary Knowledge Graph-Enhanced RAG for Software Engineering to prevent common pitfalls, such as omissions and hallucinations, enhancing the accuracy and completeness of the automation process.
Key Benefits
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Time Efficiency: By dramatically reducing the time required for understanding programming languages and generating design documentation, Fujitsu’s service enables even non-experts to contribute effectively, streamlining processes across teams.
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Improved Comprehensiveness: The technology’s ability to analyze existing source code ensures that design documentation is not just consistent but also remarkably thorough. Fujitsu claims a 95% improvement in comprehensiveness compared to general generative AI solutions.
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Enhanced Readability: Thanks to advanced algorithms, the generated documents are 60% more readable than those produced by conventional methods, making it easier for teams to interpret and apply the information in real-world scenarios.
Future Prospects
Fujitsu is not stopping here. Plans for the future include introducing support services for seamless integration of the application, alongside features that will assist in rewriting legacy code and facilitate ongoing operations and maintenance. Beginning in fiscal year 2026, these enhancements will further bolster the modernization efforts of organizations navigating outdated technological landscapes.
A Vision for Modernization
Toshihiro Horiuchi, Managing Executive Officer at SMBC Nikko Securities Inc., expressed optimism regarding this initiative. He highlighted the collaboration with Fujitsu, which has provided valuable insights into reverse-engineering design documents for legacy systems. Horiuchi emphasizes the potential for this technology to significantly aid in the modernization of systems built on vintage languages like COBOL.
Conclusion
With Fujitsu Application Transform, the company is paving the way for organizations to modernize their legacy systems effectively and efficiently. This revolutionary service not only lightens the burden on developers and IT teams but also ensures that the transition to new technologies is both smooth and sustainable.
For organizations still grappling with outdated legacy systems, Fujitsu’s latest offering represents a breakthrough that combines extensive expertise with cutting-edge generative AI technology. By embracing this transformation, businesses can position themselves for future success in the ever-evolving digital landscape.
For more information, visit Fujitsu’s official website.
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Fujitsu Limited
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