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Text Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.

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Type some text above to see all case conversions

How to Use This Tool

Workflow

  1. Enter or paste your text into the main editor.
  2. Navigate between Cases, Clean & Lines, Words & Stats, and Encode/Decode.
  3. Review the generated results in the cards below.
  4. Use the Copy button to grab the result, or Apply to push it back to the main editor.

Useful Examples

  • URL Slug: Great for blog post URLs.
  • camelCase / PascalCase: For JavaScript variables and React components.
  • snake_case: Standard for Python and JSON keys.
  • CONSTANT_CASE: For environment variables.
  • Base64 Encode/Decode: Safely pass data in URLs (Unicode safe).
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About This Tool

The Text Case Converter is a free online tool that instantly changes the capitalization of your text. Instead of deleting and retyping everything because you accidentally left Caps Lock on, you can just paste your text here and fix it in one click.

It supports all the standard writing formats like UPPERCASE, lowercase, Title Case, and Sentence case.

It also includes formats specifically for programmers, like camelCase, snake_case, and kebab-case. Everything happens instantly in your browser, so your text stays completely private.

How to Use

  1. 1Paste or type your text into the main text box.
  2. 2Look at the buttons below the text box to see all the different case options.
  3. 3Click the button for the format you want (for example, "UPPERCASE" or "Title Case").
  4. 4Your text will instantly change to the new format.
  5. 5Click the "Copy" button to grab your newly formatted text and paste it wherever you need it.

Frequently Asked Questions

In Title Case, the first letter of every major word is capitalized (like "The Quick Brown Fox"). In Sentence case, only the very first letter of the sentence and proper nouns are capitalized (like "The quick brown fox").

These are formats mostly used by computer programmers when writing code. In camelCase, words are joined together and the first letter of each word (except the first) is capitalized (like "myVariableName"). In snake_case, words are joined with underscores and everything is usually lowercase (like "my_variable_name").

No. The tool preserves your original paragraphs and line breaks. It only changes the capitalization of the letters, so your formatting stays exactly how you wrote it.

No. All text conversion happens directly in your browser using JavaScript. Your text is never uploaded to a server, saved to a database, or read by anyone else.

Yes! If you accidentally typed a whole paragraph with Caps Lock on, just paste it here and click the "lowercase" or "Sentence case" button to fix it instantly without having to retype a single word.

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