XLS Validator

Validate XLS files for errors, structure issues, and compatibility problems with our free online validator tool.

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About This Tool

The XLS Validator is a comprehensive online tool that allows you to upload Excel .xls files and perform thorough validation checks. It examines file structure, cell formatting, formula integrity, and compatibility issues to ensure your spreadsheet is error-free and properly formatted. The tool provides detailed validation reports with specific error locations and recommendations for fixes.

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How to Use

Click the upload area or drag & drop your .xls file
Select validation options (basic structure check, formula validation, or compatibility check)
Click the 'Validate XLS File' button
View detailed validation results with error locations and recommendations
Download the validation report if needed

Frequently Asked Questions

Find Quick Answers

What types of XLS files can I validate?

The tool supports Microsoft Excel .xls files (Excel 97-2003 format). It checks file structure, cell data types, formula syntax, and formatting consistency.

What validation checks does the tool perform?

The validator checks: file integrity and structure, cell formatting consistency, formula syntax errors, data type validation, named range integrity, and compatibility with modern Excel versions.

Is my file data secure?

Yes, all file processing happens securely on our servers, and uploaded files are automatically deleted after validation. We do not store or share your spreadsheet data.

What happens if errors are found in my XLS file?

The tool provides a detailed report showing exactly where errors are located (sheet name, cell reference), the type of error, and recommendations for fixing the issue.

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