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Case Converter Online Free — PrivaTools

TL;DR: Paste any text and copy the result in 12 different cases (camelCase, snake_case, kebab-case, CONSTANT_CASE, etc.) — 100% in your browser.

Convert text case online for free — instantly transform any string between camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case, sentence case, and more. Browser-only, never uploads.

Like the rest of the 179-tool PrivaTools suite, Case Converter is MIT-licensed and self-hostable. The public demo deletes your file as soon as the response leaves the server — verifiable in the open-source codebase on GitHub.

How to Use Case Converter

  1. Paste your text — Drop any string — a variable name, sentence, or paragraph — into the input box.
  2. Copy any case format — All 12 case variants (camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case, sentence case, dot.case, path/case, and more) appear instantly. Click Copy on the one you want.

Frequently Asked Questions

Which case formats are supported?

12: lowercase, UPPERCASE, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, path/case, and iNVERSE.

Will it handle existing camelCase or snake_case input correctly?

Yes. The tool detects word boundaries from underscores, hyphens, spaces, and lowercase→uppercase transitions, so converting between any two cases works correctly.

Does it run in my browser?

Yes — 100%. Your text never leaves the page. Useful for renaming variables, generating CSS class names, or normalizing identifiers without exposing them to a server.

Last reviewed 2026-05-01 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

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