PDF Porter
PDF guide6 min read

How to Convert a Scanned PDF to Excel and Check Every Number

OCR can turn a scanned table into a useful draft workbook, but it does not understand the financial meaning of a debit, credit, total or balance. Numeric documents require a more careful review than ordinary text.

Improve the scanned pages first

Use straight, high-contrast pages with complete table edges. Small figures, faint decimal points and handwritten notes are common causes of errors. If one page is much blurrier than the others, rescan it before starting.

  • Rotate every page upright
  • Keep column headings visible
  • Avoid shadows across amounts

Check columns before totals

First confirm that each description, date and amount stayed on the same row. Then confirm whether debit and credit values entered the correct columns. Only after the row structure is right should you compare subtotals and balances.

Use a repeatable verification method

Compare the workbook with the original from top to bottom. Tick each reviewed row, and independently recalculate totals where the document will support accounting, tax, banking or legal work. OCR output is an unverified draft, not evidence of the original transaction.

  • Check 0/O, 1/I and 5/S
  • Check commas, decimal points and minus signs
  • Reconcile opening and closing balances

Final checklist

  • Rows did not shift between columns
  • Every amount has two correct decimal places
  • Signs and brackets were preserved
  • Totals were independently reconciled

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