Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more. Free online text transformation tool for writers and developers.
Loading tool...
How to Use Case Converter
- Paste or type your text into the input area
- Click on any of the case conversion buttons (Uppercase, Lowercase, etc.)
- See the converted result instantly in the output area
- Click "Copy" to copy the result to your clipboard
- Try different conversions on the same text by clicking other buttons
About Case Converter
Transform your text instantly with our comprehensive Case Converter tool. Whether you need to fix accidentally capitalized text, format titles, or convert code identifiers, this tool handles all your text case transformation needs.
Available Case Conversions: - UPPERCASE: CONVERT ALL LETTERS TO CAPITALS - lowercase: convert all letters to small case - Title Case: Capitalize The First Letter Of Each Word - Sentence case: Capitalize the first letter of each sentence. - camelCase: combineWordsWithoutSpacesLikeThis - PascalCase: SameAsCamelButFirstLetterCapitalized - snake_case: separate_words_with_underscores - kebab-case: separate-words-with-hyphens - CONSTANT_CASE: UPPERCASE_WITH_UNDERSCORES - Alternating cAsE: aLtErNaTiNg CaSe FoR fUn
Use Cases by Profession: - Writers: Fix caps lock mistakes, format headlines - Developers: Convert between naming conventions (camelCase, snake_case) - Marketers: Create attention-grabbing UPPERCASE headlines - Students: Properly format essay titles and references - Content Creators: Maintain consistent capitalization
Technical Details: Our converter handles Unicode characters correctly, preserving international characters while converting case. It properly capitalizes letters across different alphabets and scripts, not just ASCII characters.
All conversions are instantaneous and happen locally in your browser. Simply paste your text, select your desired case, and copy the result.
Common Use Cases
Frequently Asked Questions
Does Title Case capitalize all words?
Our Title Case capitalizes all words. Traditional title case (like AP style) doesn't capitalize short words like "the", "and", "of". If you need specific style guide compliance, you may need to manually adjust articles and prepositions.
How does the tool handle numbers and symbols?
Numbers and symbols are preserved unchanged. Only alphabetic characters are affected by case conversion. Special characters, punctuation, and emojis remain as-is in the output.
What's the difference between camelCase and PascalCase?
Both join words without spaces. camelCase starts with a lowercase letter (userName), while PascalCase starts with uppercase (UserName). camelCase is common for variables, PascalCase for classes in many programming languages.
Can I convert between programming naming conventions?
Yes! Our tool supports camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. This is perfect for converting between JavaScript (camelCase), Python (snake_case), and CSS (kebab-case) conventions.
Does it work with non-English languages?
Yes, our converter properly handles Unicode characters including accented letters (é, ñ, ü), Greek, Cyrillic, and other scripts. Case conversion follows Unicode standards for each alphabet.
Related Tools
Character Counter
Count characters, words, sentences, and paragraphs in real-time. Perfect for Twitter, essays, SEO meta tags. Free online writing tool.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text for your designs. Customize paragraphs, words, or sentences. Free tool for designers and developers.
Diff Checker
Compare two files or texts online free — no paywall, no signup. Highlights additions, deletions, and changes line by line. Works for code, configs, documents.