Identifier case converter

Convert variable and identifier names between camelCase, snake_case, kebab-case, PascalCase and more — a line at a time.

Text stays in this browser — nothing is sent anywhere.

Words split on separators, camel humps, and acronym boundaries (XMLHttp → xml, http). Digits split from letters. Mixed styles like This_Is_Odd convert by their detected words.

How to use

  1. Paste identifiers or phrases, one per line.
  2. Pick the target style.
  3. Copy the converted list.

What it supports

Splits words on separators, camel humps, and acronym boundaries (XMLHttp → xml, http); digits split from letters. Up to 200,000 characters and 5,000 lines. Mixed styles convert by their detected words.

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