Paste or upload a COBOL copybook and instantly turn PIC clauses, COMP-3 fields, OCCURS, REDEFINES, and old record layouts into a clean modern field map.
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FROM THIS
05 BALANCE PIC S9(7)V99 COMP-3.
↓
TO THIS
DECIMAL(9,2)5 bytes • packed decimal
01
Give it a copybook
⬆
Drop a .CPY, .COB, .CBL, or .TXT file here
or click to choose a file
OR PASTE IT
02
Here’s what’s really in it
Fields0
Estimated record bytes0
Packed / binary0
Warnings0
Hover over a row for the plain-English explanation.
Level
Field
PIC
Usage
Bytes
Position
Modern type
Notes
Suggested relational schema — review OCCURS/REDEFINES before production use.
Readable sample structure based on the copybook hierarchy.
Flattened header names for quick exports.
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Built for legacy reality — not toy examples.
COBOL X-Ray calculates what should be deterministic, then presents it in a way modern developers, analysts, testers, and data teams can actually use.
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