The 4.0 version of EDI Validator is provided as a free download on our software library. EDI Validator is included in Development Tools. The current installer available for download requires 4.6 MB of hard disk space. This software was originally developed by Etasoft Inc.
From the developer:
EDI Validator is designed for automated and semi-automated validation of EDI X12 files. It supports all EDI X12 4010, 5010 and 6010 message types. It features: build-in validation of segments ISA, GS, ST, SE, GE, IEA, validation reports in HTML and CSV, fast validation engine, native binary executable for Windows, and more.
You may want to check out more software, such as EDI/HQ, Valid Email Verifier or Total Validator Tool, which might be similar to EDI Validator.