Text Case Converter

When Do You Need to Convert Text Case?

Text case conversion is one of the most common text manipulation tasks. Whether you're formatting a headline, cleaning up data, or writing code, the right case matters.

Common Use Cases

• Fixing ALL CAPS text — Pasted from PDFs, legacy systems, or emails that were typed with Caps Lock on.
• Title formatting — Quickly convert blog post titles, email subjects, or headings to proper title case.
• Code variable naming — Convert between camelCase (JavaScript), snake_case (Python/Ruby), kebab-case (CSS/URLs), and PascalCase (C#/Java classes).
• Database cleanup — Standardize inconsistent capitalization across data fields.
• SEO and content — Ensure consistent capitalization in meta titles and descriptions.

Case Types Explained

• UPPERCASE — All letters capitalized. Used in acronyms, constants, and emphasis.
• lowercase — All letters small. Common in URLs, email addresses, and code.
• Title Case — First letter of each major word capitalized. Standard for headlines and book titles.
• Sentence case — Only the first letter of the first word capitalized. Natural reading format.
• camelCase — No spaces, first word lowercase, subsequent words capitalized. JavaScript convention.
• PascalCase — Like camelCase but the first word is also capitalized. Used for class names.
• snake_case — Words separated by underscores, all lowercase. Python and Ruby convention.
• kebab-case — Words separated by hyphens, all lowercase. Used in URLs and CSS.
• CONSTANT_CASE — Like snake_case but all uppercase. Used for constants in most languages.
• dot.case — Words separated by dots, all lowercase. Used in configuration keys and package names.