Keep revenue and money received separate
Preview a real output made from fictional CSVs before choosing a local batch tool.
See the output first
Open a complete fictional reconciliationSave the fictional income CSV · Save the fictional costs CSV
The JPY and USD totals remain separate. Unknown costs or missing amounts remain unknown. This is a fictional calculation, not revenue earned by this shop, tax filing or proof of a payout.
When several files need the same calculation
The downloadable kit accepts UTF-8 CSV files in one exact 13-column schema. It includes English and Japanese Python scripts, instructions and fictional examples. Python 3.9+ on a computer is required. Each input period must match; each income path occurs once per currency. It does not convert arbitrary platform exports, connect accounts or fetch bank statements.
See files and conditions — from US$3The bilingual ZIP is one kit, not two different products. Final total appears at checkout. The free browser notebook or an existing spreadsheet may already be enough. AI-assisted code; read LICENSE.txt for permissions and limitations.
Check prepared CSV files locally before buyingAfter confirming a payout or refund
Compare the before and after input JSON for the same scope. Keep unknown values distinct from zero and currencies separate.