Case Converter

Change pasted text between common writing and programming case styles without uploading it.

Your text stays in this browser. Up to 4 MB is held only in local memory.

How to use this tool

  1. Paste text, choose the output format, and select Convert text.
  2. Review the live result and use Copy result when you need to share it.

How the transformation works

Writing cases preserve punctuation where practical. Identifier cases split the input into letter-and-number words, normalize their case, and join them with the selected separator or capitalization pattern.

Formula

Writing cases preserve punctuation where practical. Identifier cases split the input into letter-and-number words, normalize their case, and join them with the selected separator or capitalization pattern.

Step-by-step calculation

  1. Paste text, choose the output format, and select Convert text.
  2. Writing cases preserve punctuation where practical. Identifier cases split the input into letter-and-number words, normalize their case, and join them with the selected separator or capitalization pattern.
  3. Check the displayed result, then copy it if needed.

Worked example

Converting ‘annual SALES report’ to Title Case gives ‘Annual Sales Report’; camelCase gives ‘annualSalesReport’.

Risk guidance

Frequently asked questions

Does this tool send my inputs anywhere?

No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.

How should I use the result?

Check that the entered units and values match your situation, especially around dates, breaks, and rounding.

Related tools