Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more. Free.
Key Capabilities
Converts between eight common cases
UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case. All shown simultaneously.
Handles mixed-case input intelligently
getUserProfile correctly converts to get_user_profile rather than getuserprofile.
Title case rules awareness
Follows standard English capitalisation rules — articles and prepositions are left lowercase unless first or last word.
How to Use
Paste your text
Paste the text you want to convert into the input area.
Review all case formats
All eight conversion formats are displayed simultaneously below the input.
Copy your preferred format
Click the copy icon next to the format you need.
Common Use Cases
- Developers reformatting variable namesA developer refactoring from camelCase to snake_case can process lists of variable names through the converter.
- Content editors standardising heading capitalisationAn editor can paste each heading to get a correctly capitalised version.
- Data analysts standardising column namesA data analyst can produce consistent snake_case column names from inconsistently cased source data.
Frequently Asked Questions
What case formats are supported?
The tool supports UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, and alternating cAsE. Simply paste your text and click the format you need — the entire text is instantly converted.
Who uses this tool professionally?
Developers convert variable names between camelCase and snake_case for different programming languages. Content writers convert headlines to Title Case or Sentence case for publishing standards. Database administrators convert column names between naming conventions during schema migrations.
Can it handle multilingual text?
Yes. The tool correctly handles Unicode characters including accented letters (é, ñ, ü), Cyrillic, and other scripts. Case conversion follows Unicode standards for proper uppercase/lowercase mapping across languages.
Is my text kept private?
Yes. All case conversion happens locally in your browser. Text is never sent to any server.
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