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Online CamelCase / Snake_Case Converter

Camel to SnakeSnake to CamelVariable NamingRefactor

Convert between camelCase and snake_case instantly. Batch transform identifiers for Java, JavaScript, Python and more with local processing, no upload.

输入
结果
All processing is done locally, no upload

How to Use

  • Paste any valid JSON, supports nesting, arrays and escapes
  • Click Beautify to auto indent and format
  • Click Minify to remove whitespace into one line
  • All operations run locally for privacy

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FAQ

What are camelCase and snake_case?

camelCase like myVariableName, snake_case like my_variable_name, common in different language conventions.

How to batch convert?

Paste multi-line code, click Camel to Snake or Snake to Camel; symbols and line breaks are preserved.

Which languages are supported?

Generic identifier regex [a-zA-Z_$][a-zA-Z0-9_$]*, works for Java, JS, TS, Python, Go, PHP, etc.

Will my data be uploaded?

No, all conversion runs locally in your browser.