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String Case Converter (camelCase, snake_case, PascalCase)

Convert text instantly across camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and Title Case.

  • 100% free
  • Files stay on your device
  • No sign-up, no watermark

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What is String Case Converter (camelCase, snake_case, PascalCase)?

Fix accidental CAPS LOCK typing or format variable names for code. Converts text into headline-ready Title Case (respecting prepositions and articles) or programming conventions directly in your browser.

How to use String Case Converter (camelCase, snake_case, PascalCase)

  1. 1

    Add your file or input

    Choose a supported file, drag it onto the upload area, or type/paste the data this tool works with.

  2. 2

    Adjust the options

    Pick the output format, quality, size or other settings the tool offers. Defaults work well for most files.

  3. 3

    Process and download

    Run the tool and save the result. Processing happens in your browser, so nothing is uploaded to a server.

Frequently asked questions

Does Title Case capitalize prepositions and conjunctions?

Our AP/Chicago-style Title Case rules automatically keep short prepositions and articles (like "and", "the", "in", "of", "to") in lowercase unless they are the first or last word of a title.

What programming naming conventions can I convert between?

You can convert between camelCase (JavaScript), PascalCase (TypeScript/C#), snake_case (Python), kebab-case (CSS/URLs), and CONSTANT_CASE.

Does the case converter support accented characters and non-Latin scripts?

Yes! Full Unicode case mapping handles accented characters (e.g., é, ö, ñ, ç) and multi-byte scripts correctly.

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