Open an ACH file and export its entries to CSV. Free, no signup, and your file is processed locally in your browser.
Primary topic: ACH to CSV converter
The ACH to CSV converter reads a NACHA file and exports payment entries as a familiar CSV table. Use this ACH to CSV converter as a practical first step, then review its results carefully. protect the exported spreadsheet because it can contain sensitive bank account and personal information.
A reliable ACH to CSV converter workflow starts by confirming the business purpose before changing or exporting any data. This page is designed for reads a NACHA file and exports payment entries as a familiar CSV table. It performs the supported work locally, so the source does not need to be sent to a conversion service. Use the ACH to CSV converter with an approved source and a clearly defined expected result.
Start with a text-based ACH or NACHA file containing valid file, batch and entry records. Work from a copy, preserve leading zeros and remove unrelated report headings or totals that could be mistaken for transaction data.
Use the on-page controls, then compare the displayed batch count, entry count, total debits and total credits with the source expectation. Investigate warnings instead of assuming that a downloadable result is correct.
The expected result is a CSV export with readable entry fields such as routing number, account, amount, receiver, trace number and batch data. Before transmission or downstream import, review the parsed file summary, batch count, entry count, debit and credit totals and any validation warnings, save the source separately and follow your organization’s approval process.
Confirm that the selected input really contains a text-based ACH or NACHA file containing valid file, batch and entry records. A renamed extension does not convert a spreadsheet, PDF or binary export into a valid ACH-related source.
Compare entries one batch at a time. Missing rows, duplicated rows, amount scaling, debit-versus-credit selection and malformed addenda can all change counts or monetary totals.
Format validation does not verify enrollment or bank policy. protect the exported spreadsheet because it can contain sensitive bank account and personal information. Ask the ODFI for the rejection code and compare it with the company profile, identifiers and processing date.
It reads a NACHA file and exports payment entries as a familiar CSV table. The ACH to CSV converter processes the data locally in your browser and does not require an account.
It needs a text-based ACH or NACHA file containing valid file, batch and entry records. Files remain on your device during processing.
You will get a CSV export with readable entry fields such as routing number, account, amount, receiver, trace number and batch data. Review the result before using it in an operational workflow.
Check the parsed file summary, batch count, entry count, debit and credit totals and any validation warnings. Also remember that protect the exported spreadsheet because it can contain sensitive bank account and personal information.
Start with a text-based ACH or NACHA file containing valid file, batch and entry records. Preserve leading zeros in routing and account numbers, confirm whether amounts are dollars or cents, and review every mapped column before conversion.
Usually, yes. The source does not need one exact column order, but each required ACH field must map to a usable value. Remove report titles, subtotal rows and blank header lines first.
Common causes include currency text, formulas returning blanks, negative values, hidden subtotal rows or an incorrect debit and credit mapping. Compare the source row count and total with the on-page summary.
The output follows the supported NACHA structure, but acceptance also depends on your ODFI profile, approved SEC codes, effective dates and identifiers. protect the exported spreadsheet because it can contain sensitive bank account and personal information.
Technical explanations are checked against these primary sources. Bank-specific requirements can be narrower than general format guidance.
Sources reviewed August 20, 2026. Nacha owns and maintains the linked materials.
ACH files use the NACHA fixed-width format: every record is 94 characters, files contain one or more batches, and control records reconcile entry counts, routing-number hashes, debits and credits. Always confirm bank-specific settings with your financial institution before uploading a production file.