Text Case Converter

Transform text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, and kebab-case instantly in your browser.

Make your text just right

Text statistics

0Words
0Characters
0Sentences
0 minReading time
100% Client-Side Privacy: All calculations, text processing, and conversions execute directly in your browser. No input data is sent to our servers.

How the text case converter works

Text Case Converter allows you to rapidly normalize strings, headlines, code identifiers, and body copy into any required capitalization format. Whether you accidentally typed with CAPS LOCK enabled, need to format article headlines according to AP/Chicago Title Case styles, or need camelCase variable names for software development, this tool transforms your text in one click.

The tool handles multi-line text, preserves punctuation appropriately, and executes 100% on your machine for maximum privacy.

Step-by-step instructions

  1. Paste your text into the text area.
  2. Select your target casing style: UPPERCASE, lowercase, Title Case, or Sentence case.
  3. Click Copy to clipboard to paste the transformed text into your document or editor.

Case Transformation Mechanics

• UPPERCASE: text.toUpperCase()
• lowercase: text.toLowerCase()
• Title Case: Capitalizes first letter of words
• Sentence Case: Capitalizes first letter following sentence delimiters (. ! ?)

Sentence case looks for sentence terminators (period, question mark, exclamation point) followed by whitespace, capitalizing the subsequent character while lowercasing the rest. Title case capitalizes word heads.

Practical example

Input: 'welcome to the online toolbox store' → Title Case: 'Welcome To The Online Toolbox Store' → UPPERCASE: 'WELCOME TO THE ONLINE TOOLBOX STORE'.

Frequently asked questions

Does Title Case capitalize words like 'and', 'the', and 'in'?

Standard title case in this tool capitalizes the first character of each word. For strict academic Chicago style exceptions (minor prepositions), check your editorial style guide.

Does converting to lowercase preserve numbers and punctuation?

Yes, numeric digits, symbols, and punctuation remain unchanged during casing transformations.

Is there any limit on character length?

No practical limit. You can format entire books, articles, or code snippets with near-instantaneous response times.