X12 EDI Formatter Online - Free Beautifier & Viewer

Format and view ANSI X12 EDI files instantly with our free online tool. Whether you're working with 850 purchase orders, 810 invoices,856 advance ship notices, or any other X12 transaction set, our formatter makes them readable and easy to analyze.

Supports All X12 Transaction Sets

850, 810, 856, 855, 997, 820, 834, 835, 837, 270/271, and all other ANSI X12 formats. Simply paste your message and click format.

What is ANSI X12?

ANSI X12 is the predominant EDI standard in North America, developed by the Accredited Standards Committee X12 (ASC X12). It's used for electronic exchange of business documents between trading partners across industries including retail, healthcare, manufacturing, and logistics.

300+

Transaction Sets

#1

Standard in N. America

1979

First Published

X12 Syntax Basics

X12 uses specific delimiters to structure data:

DelimiterCharacterPurpose
Element Separator*Separates data elements
Segment Terminator~Ends each segment
Sub-element Separator:Separates composite elements

Common X12 Transaction Sets

850

Purchase Order

Request goods/services from supplier

810

Invoice

Bill for goods/services

856

Advance Ship Notice (ASN)

Shipment notification with details

855

PO Acknowledgment

Order confirmation/rejection

997

Functional Acknowledgment

Confirm receipt of transaction

820

Payment Order/Remittance

Payment instructions

X12 vs EDIFACT

FeatureANSI X12UN/EDIFACT
RegionNorth AmericaGlobal
Element Separator* (asterisk)+ (plus)
Segment Terminator~ (tilde)' (apostrophe)
Purchase Order850ORDERS
Invoice810INVOIC

See X12 Examples

Related Resources

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