Fujitsu Launches Generative AI Service for Streamlining Legacy System Development

Fujitsu has introduced Fujitsu Application Transform, powered by Fujitsu Kozuchi, a generative AI service that automatically creates design documents from source code. This innovative SaaS solution will be available in Japan starting March 30, 2026.

The service offers transformative benefits for system development, reducing document creation work time by approximately 97% and enhancing design readability by 60% compared to traditional methods. Fujitsu Application Transform leverages generative AI and proprietary technology to analyze legacy source codes, including COBOL, ensuring accuracy and efficiency in documentation processes.

How Fujitsu Application Transform Works

Fujitsu Application Transform uses advanced code analysis techniques combined with Fujitsu Knowledge Graph–Enhanced Retrieval-Augmented Generation (RAG) technology. This approach minimizes omissions and AI hallucinations, delivering precise and easy-to-read design documents aligned with actual system behavior.

The solution taps into Fujitsu’s deep expertise in system development and AI innovation to optimize workflows for developers and organizations relying on legacy systems. It caters to the growing need for modernization while maintaining system integrity.

Key Benefits and Features

• Reduces work time by approximately 97%, significantly increasing efficiency.
• Improves design readability by 60%, making documentation clearer.
• Utilizes Fujitsu Knowledge Graph–Enhanced RAG for accurate and reliable outputs.
• An AI-powered solution available as a SaaS starting March 30, 2026 in Japan.

Fujitsu Application Transform is particularly relevant for organizations facing challenges with outdated system structures and documentation inefficiencies. It addresses crucial pain points in legacy system redesign while embracing innovative AI-driven solutions.

This development is especially valuable for AI and technology enthusiasts, web developers managing legacy-heavy infrastructures, and small business owners seeking to simplify system updates. SEO professionals and content marketers can also benefit from improved accuracy in digital project workflows.

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Source: Fujitsu Global

Source: Fujitsu Global