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NJHTools

Text Case Converter

Convert text between camelCase, snake_case, kebab-case, Title Case, and more — type once and copy any format instantly in your browser.

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Enter some text above to see it converted into every case format.

How to use the text case converter

  1. Type or paste any text — a sentence, a phrase, or a variable name — into the input box above.
  2. The tool instantly splits your text into words, recognizing camelCase, snake_case, kebab-case, and spaced boundaries automatically.
  3. Every output format is shown at once: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, Title Case, Sentence case, lowercase, and UPPERCASE.
  4. Click Copy next to any format to copy it to your clipboard.

Everything runs locally in your browser — your text is never sent to a server.

Frequently Asked Questions

What is a text case converter?↓

A text case converter is a tool that rewrites text into a different capitalization or word-separation style. This converter takes a single input and instantly shows it in every common format at once, including writing cases like Title Case and developer naming cases like camelCase.

Which cases does this tool support?↓

It supports camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE (SCREAMING_SNAKE_CASE), dot.case, Title Case, Sentence case, lowercase, and UPPERCASE. One input produces all of these formats simultaneously.

Is this tool free and does it run in my browser?↓

Yes. The case converter is completely free with no signup required, and it processes everything 100% locally in your browser. Your text is never uploaded to or stored on any server.

Can I use it to rename variables in bulk?↓

Yes. Paste a variable name like helloWorld_fooBar and the converter splits it into words automatically, then shows it as camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and more. Copy the naming style your codebase uses with one click.

What is the difference between Title Case and Sentence case?↓

Title Case capitalizes the first letter of every word (Hello World Foo), which is common for headings and titles. Sentence case capitalizes only the first letter of the whole text and leaves the rest lowercase (Hello world foo), which reads like a normal sentence.

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