v1.0.23 · macOS & Windows

Read X12 as structure, not a wall of asterisks

EDI Studio opens an 850, an 856, or a 997 and shows you the interchange the way it is actually shaped — nested, named, and checked. Fix the segment, keep the envelope honest, send it back.

Also on Windows · full-featured 7-day trial, no card, no account · see pricing

Files never leave your machine Native app, not a web wrapper Works offline, on a plane or a VPN
412 5
errors, after grouping

Reads every well-formed ANSI X12 interchange

850 purchase order 855 PO ack 856 ASN 810 invoice 997 func ack 940 ship order 945 ship advice 944 receipt 947 adjustment 214 status

Why this exists

EDI tooling hasn't meaningfully changed since 2005

Most teams still troubleshoot X12 in a text editor: counting delimiters by hand, guessing at element positions, and reading error logs longer than the file that produced them.

01

1,400 errors, zero context

Traditional validators emit one line per failure. A single missing qualifier near the top of an interchange cascades into hundreds of downstream errors, and nothing in the list tells you which one is the cause and which 411 are symptoms.

validator.log

ERR 2103 line 118 — N103 required ERR 2103 line 261 — N103 required ERR 2103 line 404 — N103 required … 409 more identical lines
02

Raw EDI is unreadable on purpose

X12 was designed for machines and 1980s bandwidth, not for people. Reading it means either an implementation guide open on a second monitor, or years of memorised element positions.

what you get in the inbox

ST*850*0001~ BEG*00*SA*4500123456**20260715~ N1*ST*ACME DISTRIBUTION**0042~ ↑ the empty one is the bug
03

Editing means a text editor and prayer

Correcting a segment by hand breaks the count in the SE trailer. One wrong character and the trading partner rejects the whole interchange — now with a different error, and you have burned another twenty minutes.

after a hand edit

SE*1281*0001~ ← file now has 1,282 GE*1*1~ IEA*1*000000001~ 997 comes back: AK501 = R (rejected)

What changes

The same file, shaped like what it means

An X12 interchange is already hierarchical — ISA wraps functional groups, groups wrap transaction sets, transaction sets wrap loops. Raw text hides that shape. EDI Studio renders it.

  • Collapse the envelope, work inside the loop you care about
  • Hover any element for its X12 name, type and allowed values
  • Flip to the literal bytes whenever a partner disputes the file

Full feature breakdown

Raw EDI · the same 3 segments
N1*BY*NORTHGATE RETAIL*92*1180~ N3*4400 COMMERCE DR~ N4*DALLAS*TX*75201*US~
  • N1 loopBuying Party
  • N101BY — Buying Party
  • N102NORTHGATE RETAIL
  • N10392 — Assigned by Buyer
  • N1041180
  • N34400 COMMERCE DR
  • N4DALLAS, TX 75201, US
412reported errors in the sample above — five real ones
<2sto parse and validate a 1,284-segment interchange
0bytes uploaded — parsing happens on your machine
7days of the full application, no card required

Everything, not a tier

Built in, because you need all of it on the same bad file

There is no feature gate in EDI Studio. Every plan is the whole application — the difference is only how you'd rather pay.

Structured tree view

Interchange, group, transaction set, loop and segment nesting rendered as a navigable tree. Jump straight to the loop that matters.

Errors grouped by root cause

Failures collapse by cause with an occurrence count, so the list reflects how many problems you have — not how many symptoms.

In-place editing

Change an element and the SE, GE and IEA counts stay consistent. Hand edits stop being a source of new rejections.

Element hover tooltips

X12 name, data type, min and max length, and allowed code values on hover. The implementation guide stops being a second window.

Global search

Search every segment at once, with matches highlighted in place and forward-and-back stepping that keeps your position in the tree.

Multi-document workspace

Open several interchanges in a tab strip. Comparing a 940 against the 945 that answered it is the common case, and it works the way you expect.

Who it's for

Three jobs, one badly formatted file

EDI Studio is a desk tool for the people who get paged when an interchange bounces — not a platform anyone has to roll out.

Racking aisle in a distribution warehouse stacked with cartons, hand trucks parked at the end of the row. 3PL & warehouse ops

When the 940 doesn't become a 945

The client says 400 units went out; your 945 says 396. Open both files in one workspace, expand the same loop in each, and find where the count diverges before the carrier arrives.

For 3PL teams
Colleagues gathered around a monitor in an open-plan office, working through something on screen together. EDI analysts

Onboarding without the second monitor

A partner's guide requires REF*IA in the header and four decimal places on PO1-04. Element tooltips turn that cross-reference from a manual lookup into a glance.

For analysts
Developer at a two-screen desk, code open on the left monitor, working late. Supply-chain devs

See what your mapper actually emitted

Generated EDI fails in ways unit tests miss. Inspect the exact bytes, check the envelope arithmetic, and catch it before a partner's test environment does.

For developers

Straight answers

Common questions

What EDI transaction sets does EDI Studio support?

EDI Studio reads any well-formed ANSI X12 interchange. The common sets — 850 purchase order, 810 invoice, 856 advance ship notice, 997 functional acknowledgment, 940 warehouse shipping order, 945 warehouse shipping advice — are recognised with element-level descriptions from a built-in dictionary.

Does it work offline?

Yes. It is a native desktop application. Files are parsed locally and never uploaded, which matters when a document carries customer addresses, pricing, or order volumes. It works on a plane, inside a client's VPN, or on a locked-down network with no outbound access.

Is there really a free trial?

Seven days of the full application, no credit card and no account. Download it, open a file that gave you trouble last week, and decide from that.

Is this a replacement for EDI Notepad?

For reading, validating and correcting X12 it covers the same ground, with native macOS and Windows builds and grouped error reporting. It is not a translator or a VAN. See the full comparison, including what EDI Studio deliberately does not do.

What does it cost after the trial?

$9.99 a month, $79 a year, or $199 once for a perpetual licence that keeps working whether or not you ever pay again. Every option is the complete application. Pricing in full.

Try it on a file that already broke

Seven days, every feature, no card

The honest way to evaluate this is to open a real interchange from your own trading partner — ideally the one that bounced last week — and see whether it saves you the afternoon.

macOS 12 or later · Windows 10 or later · 33–41 MB