CSV Text Case Converter

Convert text case in specific CSV columns to UPPERCASE, lowercase, Title Case, or Capitalize.

How It Works & Processing Standards

Convert text case in specific CSV columns to UPPERCASE, lowercase, Title Case, or Capitalize.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 50MB
  • Mobile max file size: 20MB

CSV Text Case Converter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use CSV Text Case Converter

  1. 1
    Paste CSVInput your CSV data.
  2. 2
    Select Column & CaseChoose the column and desired casing (UPPERCASE, lowercase, Title Case).
  3. 3
    Export TableCopy or download the converted CSV.

Examples

Convert Email to Lowercase
Input: name,email ALICE,Alice.Smith@CORP.COM Bob,BOB@GMAIL.COM
Result: Convert email to lowercase: name,email ALICE,alice.smith@corp.com Bob,bob@gmail.com

Common Use Cases

  • Normalizing email addresses to lowercase to prevent duplicate account creation
  • Converting country codes or state abbreviations to UPPERCASE
  • Standardizing names and titles to Title Case for reporting presentation

Frequently Asked Questions (FAQ)

Does this affect other columns that are not selected?

No, only the designated target column has its text case transformed; all other fields remain untouched.

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