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Text Tools

Case converter

lower, UPPER, camelCase, PascalCase, snake_case, CONSTANT_CASE, Train-Case.

Use this free case converter to switch naming styles for code, APIs, SEO slugs, and documentation. It works entirely in your browser: your text never leaves this page.

Developers use camelCase and PascalCase for JavaScript and C#, snake_case for Python and Ruby, SCREAMING_SNAKE for constants, and Train-Case for titles. Click a button to transform the current text — edit and convert again as often as you need.

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Paste or type text, then tap a format. Your text is not sent to any server — conversion runs in this browser tab only.

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No. These utilities run in your web browser. Your text is processed locally in this tab unless a tool explicitly states otherwise (for example, fetching your public IP uses a minimal server request).

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