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Case Converter

Switch text instantly between uppercase, lowercase, title case, sentence case, camelCase, kebab-case, and snake_case.

Case Converter

Your text is converted locally in your browser.

Text is never sent to ToolNest servers.

Input

Original Text

0 / 500,000 chars

Select Case Style

Converted

Output (uppercase)

Waiting
What it does

Change text casing with 1-click presets

Easily transform headlines, code variables, lists, or paragraphs into clean uppercase, lowercase, title case, or programming naming conventions.

How to use it

Convert case in three steps

  1. Type or paste text into the source panel.
  2. Select your desired case style preset.
  3. Copy the transformed output or download it as a file.
Helpful answers

Case Converter FAQs

Is my text converted privately?

Yes. All text conversions run strictly inside your browser using client-side JavaScript. No text is uploaded to any server.

What case styles are supported?

UPPERCASE, lowercase, Title Case, Sentence case, camelCase, kebab-case, snake_case, and CONSTANT_CASE.

Can I convert code variable names?

Yes. Converting strings like 'user_first_name' to camelCase ('userFirstName') or kebab-case ('user-first-name') is fully supported.