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TOOL · 49 · Data & Utility

Case Converter

Convert text to UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case and more.

In short
Case Converter transforms text into UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE or iNVERTED case — instantly, in your browser.

Processed 100% in your browser — your files never leave your device.

How it works

  1. Step · 01

    Paste your text into the input box.

  2. Step · 02

    Pick a case style — UPPER, lower, Title, Sentence, camelCase, snake_case and more.

  3. Step · 03

    Copy the result. Nothing leaves your browser.

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Frequently asked questions

Does it handle acronyms in Title Case?
Title Case capitalises the first letter of each word. Manually preserve acronyms after conversion if needed.
Are my files uploaded to a server?
No. Files are processed directly in your browser using JavaScript and WebAssembly. Nothing is uploaded to our servers, so your documents never leave your device.
Does it work on mobile?
Yes. The tools run in any modern browser on desktop, tablet, or mobile (Chrome, Edge, Safari, Firefox). Very large files may be slower on low-end phones.