Parser Simulation Lab
Realistic test documents with real-world problems. Click any scenario to see the original document side-by-side with what our parser extracted.
Non-Standard Amount Formats
HardAmounts expressed in every way banks and accounting systems do it: parentheses for negatives, DR/CR suffixes, currency symbols, spaces in numbers, and European comma decimals.
No Column Headers
HardExported data with NO header row — just raw data lines. This is common with older banking systems, mainframe exports, and some ERP batch reports.
Duplicates, Reversals & Corrections
HardAn Excel file with duplicate entries (same txn posted twice), reversal pairs, and corrected entries. This happens constantly with ACH/wire processing errors and batch resubmissions.
Messy ERP GL Export
HardA typical GL export from an older ERP system — multi-row headers, subtotal rows mixed in, blank rows between sections, merged cells, and department totals …
Vendor Batch Payments (GL Side)
HardGL entries from an AP batch run — 10 vendors paid in one ACH batch. Individual GL lines must match to a single bank withdrawal. …