Excel Lowercase to Uppercase Converter
Convert lowercase text to uppercase in your Excel files instantly. No formulas needed - just upload your file and download the converted version with all text in uppercase.
Convert Your Excel File
Upload any Excel file (XLSX, XLS, or CSV) to convert all lowercase text to uppercase while preserving all formatting.
File:
Sheets processed:
Cells converted:
How to Convert Lowercase to Uppercase in Excel
Why Use Our Excel Case Converter?
- No formulas needed - converts entire files automatically
- Preserves all formatting - keeps your cell styles intact
- Batch processing - converts all sheets at once
- Secure processing - files never leave your browser
- Instant download - get your converted file immediately
Step-by-Step Guide
- Upload your Excel file - Drag and drop or click to select any Excel file
- Process the file - Our tool will scan and convert all lowercase text to uppercase
- Download results - Get your converted file with "_converted" added to the filename
Alternative: Using Excel Formulas
If you prefer to do it manually in Excel, use the UPPER function:
=UPPER(A1)
To apply this to your entire spreadsheet:
- Insert a new column next to your data
- Enter =UPPER(A1) (adjust cell reference as needed)
- Drag the formula down to apply to all cells
- Copy the results and use Paste Special → Values to replace the original text
Common Use Cases
- Data standardization - Convert imported data to consistent uppercase
- Report headers - Format column headings in uppercase
- Database preparation - Prepare Excel data for systems requiring uppercase
- Legal documents - Convert important clauses to uppercase for emphasis
- Accessibility - Convert text for better visibility
Frequently Asked Questions
Q: Is this tool free to use?
A: Yes, this is a completely free tool with no limitations.
Q: Are my Excel files secure?
A: Absolutely! All processing happens in your browser - we never upload your files to any server.
Q: What Excel versions are supported?
A: All modern Excel formats including XLSX, XLS, and CSV files.
Q: Does this work with accented characters?
A: Yes, accented lowercase characters (like é, ñ, ü) will be converted to their uppercase equivalents.