All Case Converter Tools

Free online text conversion tools — uppercase, lowercase, title case, camelCase, snake_case and more. No sign-up, no limits.

Writing

Writing Case Tools

Everyday text formatting for writers, editors, bloggers and content creators.

Uppercase Converter

Convert all characters to uppercase letters. Great for headings, acronyms and legal text.

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Lowercase Converter

Convert all characters to lowercase. Perfect for URLs, usernames and database values.

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Title Case Converter

Capitalise every major word following AP style rules. Ideal for headlines and blog titles.

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Sentence Case

Capitalise only the first letter of each sentence — just like natural English prose.

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Capitalize Words

Capitalise the first letter of every word without exception, including articles.

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Toggle Case

Flip the case of every character — uppercase becomes lowercase and vice versa.

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Developer

Developer Case Tools

Code-friendly formats for variables, class names, database fields and API slugs.

camelCase Converter

Convert text to camelCase — the standard for JavaScript variables and function names.

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PascalCase Converter

Convert text to PascalCase — used for React components, PHP classes and constructors.

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snake_case Converter

Convert text to snake_case — the standard for Python variables and database column names.

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kebab-case Converter

Convert text to kebab-case — used for CSS class names, HTML attributes and URL slugs.

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SCREAMING_SNAKE_CASE

Convert text to SCREAMING_SNAKE_CASE — the convention for constants and environment variables.

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Utility

Text Utility Tools

Clean, transform and manipulate text in ways beyond simple case conversion.

Reverse Text

Reverse the characters of every line in your text. Useful for puzzles, encoding and fun.

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Remove Extra Spaces

Strip double spaces, trim leading and trailing whitespace and clean up messy pasted text.

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Sort Lines A→Z

Sort every line of your text alphabetically in one click. Great for lists and data.

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Random Case Generator

Randomise the case of every character for a mocking or playful text effect.

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