Rekenbox · 2026
Bank CSV converter and normaliser
Convert a bank export to consistent columns and dates.Your result appears here
Enter the required details. The calculation and standard PDF are free.
Save on this device for free
Understand your result
How this tool works
Bank exports use different column names and conventions. Select the date, amount and description columns and the source format. The tool converts supported data to consistent columns; it does not infer a counterparty or accounting category.
Common questions
Does every bank export work immediately?
Not automatically. The file must be CSV with column headers, up to 10 MB and 20,000 rows. Select the correct columns and conventions yourself.
Is the CSV imported into my accounting system?
No. You download a normalised file. Check row counts, dates, signs and totals before importing it into another system yourself.
Which details do you need?
- Choose a file — CSV with column headers, up to 10 MB and 20,000 rows.
- Date column
- Amount column (negative is outgoing)
- Description column
- Source date format
- Source decimal separator
Limits of this tool
- Normalises dates and amounts; does not infer account, counterparty or accounting category. Check totals before importing into accounting.
Year: 2026 · Version 2026.1
Prepared by the Rekenbox product team at Winstwaker. The listed source references and calculation version make the method traceable. Report a content error Last updated: 2026-09-04. Rekenbox is a product by Winstwaker. The tool applies a calculation model to your inputs; a result or paid report is not a personal assessment by an adviser.