Text Case Converter

What Is a Text Case Converter?

This free text case converter transforms any text into any case format instantly — uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, alternating case, and inverse case. Whether you are a developer formatting variable names, a writer fixing inconsistent capitalisation, a marketer preparing headlines, or a student correcting an essay, this text case converter handles every transformation in one click.

In fact, manually changing text case is one of the most tedious text editing tasks — especially across long documents. This text case converter eliminates that entirely. Paste any amount of text and convert it in under a second.

All Case Formats Explained

• UPPERCASE: Every letter capitalised. Used for headings, abbreviations, emphasis, and constants in some programming languages.
• lowercase: Every letter in lower case. Used for email addresses, URLs, and many programming contexts.
• Title Case: First letter of each major word capitalised. Used for article titles, headings, book titles, and proper nouns.
• Sentence case: Only the first letter of the first word capitalised. Used for normal sentences, meta descriptions, and most UI text.
• camelCase: First word lowercase, subsequent words capitalised, no spaces. Used extensively in JavaScript, Java, and many programming languages for variable and function names.
• PascalCase: Every word capitalised, no spaces. Used for class names in most object-oriented programming languages.
• snake_case: All lowercase, words separated by underscores. Used in Python, Ruby, SQL column names, and file names.
• kebab-case: All lowercase, words separated by hyphens. Used for CSS class names, URL slugs, and HTML attributes.
• CONSTANT_CASE: All uppercase, words separated by underscores. Used for constants and environment variables in most programming languages.

Text Case Converter — Frequently Asked Questions