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Text Case Converter

Convert text to UPPER, lower, Title Case, camelCase, snake_case, CONSTANT_CASE and more

Select Case

About Text Case Converter

The Text Case Converter switches your text between eleven case styles: UPPER CASE, lower case, Title Case, Capitalize Each Word, Sentence case, camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and aLtErNaTiNg cAsE. Useful for coding conventions, headlines, or cleaning up text that arrived in the wrong shape.

FreeNo paywalls or tiers
No SignupNothing to create
InstantNo setup, no install
Any DeviceMobile, tablet, desktop

The guide behind this tool

camelCase, snake_case, kebab-case: Which Case Goes Where

The convention each language expects, the one language where capitalisation changes behaviour, and why acronyms break every rule.

7 min read

How to use Text Case Converter

  1. 1

    Paste or type your text in the input box, one item per line if you have a list to convert.

  2. 2

    Click the case style you need.

  3. 3

    Copy the converted output with one click.

Frequently Asked Questions

Yes. The identifier styles (camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE) are applied line by line, so a column of field names pasted from a spreadsheet comes back as a matching column rather than being fused into one long identifier. Blank lines are kept where they are.