#054 · Validation & Quality Checks Tool

Check Excel Column Consistency

Inspect a column for mixed value types and export a detailed consistency report. Your data stays in this browser session.

Office File Tool

Local browser processing

Drop spreadsheet here

XLSX, XLS, CSV, or TSV
or click to choose a file

No file selected

Worksheet

Column number

row

Output format

Preview limit

rows

Preserve formulas Trim cell whitespace Keep empty rows Protect text values

How to use this office tool

Choose a spreadsheet file and review the options.
Set the column number and preview limit.
Select Check consistency, review the bounded preview, then download the new result.

What this tool does

Inspect a column for mixed value types and export a detailed consistency report.

Input → validate and parse → apply the selected operation → create a new downloadable file

The source file is not uploaded. Keep a backup when working with important workbooks, because browser libraries do not reproduce every Excel feature.

Supported formats

XLSX and XLS files are read with SheetJS in the browser. CSV and TSV are supported where the operation has a meaningful tabular result. Advanced Excel objects may not be preserved.

Format	Support
XLSX	Recommended
XLS	Basic workbook data
CSV / TSV	Tabular data where applicable

Tips for better results

Work from a copy of the original workbook.
Use a clear first-row header and review the preview before downloading.
Open the result in Excel or another spreadsheet app and confirm important formulas and formats.

FAQ

What does an inconsistent Excel column mean?

It means the populated cells do not share the dominant value type, such as text mixed into a mostly numeric column.

Are blank cells counted as inconsistencies?

Blank cells are reported separately and are not treated as a conflicting data type.

Can the report detect mixed dates and numbers?

Dates recognized by the parser are classified separately from ordinary numbers.

Which column should I check?

Enter the one-based column number, such as 1 for column A or 3 for column C.

Does this tool edit my source worksheet?

No. It creates a separate report workbook and leaves the original file untouched.

Related office tools

Reorder Excel Columns Split Excel by Column Value Extract Matching Rows from Excel Find Changed Spreadsheet Cells

Processing notes

Stage	Behavior
Privacy	Local browser processing
Preview	Limited to 5–100 rows
Output	New file or audit report

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