Parse 10 legacy languages in microseconds — COBOL, JCL, PL/I, VB6, VB.NET, PowerBuilder, Assembly, SQL/DB2, CICS, REXX. AST analysis powered by Rust + Tree-sitter.
Purpose-built for languages that other tools ignore.
Tree-sitter generates native C parsers compiled into a single Rust binary. Parse a 1,200-line COBOL program in 6ms. Batch 100 files in 6ms with parallel processing.
COBOL, JCL, PL/I, VB6, VB.NET, PowerBuilder, Assembly, SQL/DB2, CICS, REXX. One unified API, one AST format. Cross-language dependency analysis out of the box.
D3.js-powered collapsible tree visualization. Zoom, pan, expand nodes, download JSON or Markdown analysis reports. Upload any file and see results instantly.
Automatically extract program structure, data items, paragraphs, CALL/COPY/PERFORM statements, and business rule patterns from the AST.
Shift-JIS, EBCDIC, DBCS encoding support. IBM Enterprise COBOL extensions. IPA/SEC ESCR compliance-ready documentation generation.
Single 31MB binary. No runtime, no JVM, no Python. Deploy with Docker or copy the binary. REST API ready for integration.
Technical analysis and modernization guides for legacy systems.
View all posts →Powerful AI from Japan's manufacturing floor.
This product. Parse, document, and modernize COBOL, JCL, PL/I, VB6, and seven more legacy languages.
End-to-end manufacturing digitalization. 10 years of real factory experience baked into every integration.
Defect detection, quality control, and process monitoring on the production line — tuned for real workloads.
One team, multiple AI products. We build the system you actually need — not a generic template.
One team. Multiple AI products. Force of Nature from Japan.