JA Technology Solutions
IBM i & Mainframe Tools
Tools for IBM i (AS/400), DB2, and mainframe modernization work. Convert EBCDIC to ASCII, decode packed decimal and COMP-3, parse COBOL copybooks, render DDS and BMS screens, and work with fixed-width record formats.
EBCDIC to ASCII Converter
Convert between EBCDIC and ASCII for IBM i, AS400, and mainframe systems. Fixed-length records, line ending options, CP037 reference.
DevelopmentPacked Decimal / COMP-3 Converter
Decode and encode packed decimal (COMP-3), zoned decimal, and trailing overpunch for IBM i and mainframe systems.
DevelopmentDDS Screen Explorer
Paste IBM i DDS display file source and see the screen rendered with authentic 5250 green-screen and modern preview.
DevelopmentDDS to SQL / SQL to DDS Converter
Convert between IBM i DDS physical file definitions and SQL CREATE TABLE statements in both directions.
DevelopmentBMS Screen Explorer
Paste mainframe BMS (CICS/3270) screen definitions and see the screen rendered with green-screen and modern preview.
DevelopmentCOBOL Copybook Explorer
Explore COBOL copybook structures with interactive tree view, field layout, SQL conversion, JSON Schema generation, sample data decoding, and visual hex ruler.
DevelopmentFixed-Width ↔ CSV
Convert between fixed-width text files and CSV. Editable column definitions with name, start, and length.
Data & FinanceAll tools run entirely in your browser. Your data never leaves your machine. Need help? Ask James.
Other Tool Categories
Data & Finance
Banking, accounting, healthcare, payments, and EDI file formats.
Retail & POS
Barcodes, point-of-sale files, retail math, and fiscal calendars.
Shipping & Logistics
Freight estimation, container loading, route optimization, and trade compliance.
Inventory & Warehouse
Reorder planning, cycle counting, warehouse slotting, and cost allocation.
Networking
Subnet math, MAC vendor lookup, email authentication, and WHOIS.
Development
Format converters, encoders, hashes, regex, JWT, SQL, and more.