ACH Studio NACHA file editor
No file open

NACHA / ACH

Read and edit ACH files without counting characters by hand.

Drop an .ach file anywhere on this window. Each record is split into labeled fields with positions, validation and live control total recalculation.

Drop file here or use Ctrl+O
01 Every field labeled

File header, batches, entries, addenda, batch controls and file control are broken out with NACHA positions and descriptions.

02 Controls recalculated

Entry hashes, debit and credit totals, record counts, block count and padding are derived from the entries.

03 Validated as you type

Checks routing check digits, required fields, service class conflicts, addenda counts and fixed values.