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Free · Private · No upload

Spreadsheet Formula & Data First Aid

Diagnose common Excel or Google Sheets formula problems, or paste spreadsheet data to check for blanks, duplicate rows, inconsistent columns, whitespace and mixed data types. Everything runs in this browser.

Excel formulasGoogle Sheets formulasCSV / pasted tablesNo signup

Check a formula

Paste the formula and, if Excel or Sheets is showing an error, choose it below. The checker looks for common structural and compatibility problems; it does not calculate your workbook.

You can paste the formula exactly as it appears in the formula bar.
Private by design: The formula is checked locally in this browser. It is not uploaded or stored.

Formula check

Review these clues in the workbook context before changing a live formula.

Only safe text cleanup is applied automatically: leading =, straight quotes and non-breaking spaces. Logic is not rewritten.

Check pasted spreadsheet data

Copy a table from Excel or Google Sheets and paste it below, or paste CSV text. The tool inspects structure and data hygiene without uploading the workbook.

For best results, copy the cells directly from your spreadsheet.
Private by design: Your pasted data stays in this browser tab. No file or table is uploaded to T Bruce Studio.

Data health check

The tool flags patterns, not business truth. Review duplicates, blanks and type differences before deleting or changing data.

0Data rows
0Columns
0Blank cells
0Exact duplicate rows
ColumnNonblankBlankTypes detected