What is the Text Case Converter tool?

Convert text between cases (UPPER, lower, Title…). This free online tool is available at NumbersChecker with no login required.

Is the Text Case Converter tool free?

Yes, the Text Case Converter tool is completely free to use at NumbersChecker. No account or installation is needed — results are instant.

How do I use the Text Case Converter tool?

Enter your input into the form at https://numberschecker.com/tool/text-case, click Run, and the result appears instantly. Click any result value to copy it to your clipboard.

Is there an API for the Text Case Converter tool?

Yes. Send a POST request to https://numberschecker.com/api/text-case with your input as a JSON body. The API is free and requires no authentication.

Text upperlowertitlecamel

Text Case Converter

Convert text between cases (UPPER, lower, Title…).

About the Text Case Converter Tool

Convert text between cases (UPPER, lower, Title…). This free online tool runs entirely in your browser — no login, no installation, and no data is stored.

This tool is part of the Text category on NumbersChecker. Browse all Text tools or explore all 139 tools.

Related: upper · lower · title · camel

API usage

POST /api/text-case
Content-Type: application/json

{
  "text": "your input here"
}