MT940 → CSV

Convert MT940 to CSV

Convert SWIFT MT940 bank statements to CSV format with FinConvert's API. Automated, spec-compliant parsing for financial data integration.

Why convert MT940 to CSV?

MT940 is the SWIFT standard for bank statement messaging, widely used by European and international banks. While powerful, its line-based :XX: tag structure makes it difficult to work with in spreadsheets, databases, or analytics tools. CSV, on the other hand, is the universal tabular format supported by every data tool from Excel to Python pandas.

Converting MT940 to CSV lets you import bank transactions into accounting software, run custom analytics, or feed data into ETL pipelines without writing a custom parser for each bank’s MT940 dialect.

How it works

FinConvert parses your MT940 file through a spec-compliant parser that handles all standard tags (:20:, :25:, :60F:, :61:, :86:, :62F:) and normalizes the data into a universal transaction model. From there, the formatter outputs a clean CSV with consistent column headers: date, amount, currency, description, and reference fields.

The API processes your file in milliseconds, returns the result immediately, and never stores your data. Your financial information stays private.

POST /v1/convert
Content-Type: multipart/form-data
file: statement.sta
to: csv

Every field mapping is validated against the official SWIFT MT940 specification, ensuring accurate conversion even across different bank implementations.

API Example

Convert via API 
curl -X POST https://api.finconvert.dev/v1/convert \
  -H "Authorization: Bearer fc_live_your_key" \
  -F "file=@statement.sta" \
  -F "to=csv"

Features

  • ✓ Spec-compliant parsing
  • ✓ Privacy-first: no data stored
  • ✓ Sub-second processing
  • ✓ Deterministic output
  • ✓ Files up to 10MB

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