Prose cases
Lowercase, uppercase, title case, and sentence case are useful for ordinary text.
Text Tools · Local processing
Case Converter
Convert text to lowercase, uppercase, title, sentence, camel, Pascal, snake, or kebab case locally.
Transform locally
Convert text case
The practical guide
Transform prose or identifier-style text in one lightweight tool.
Choose a case, convert the current textarea, then copy the result.
Identifier cases
camelCase, PascalCase, snake_case, and kebab-case normalize punctuation and spaces into common naming styles.
Privacy by architecture
Your files and tool inputs stay in your browser.
The selected files, inputs, settings, and outputs are processed in this page and are not uploaded to any server.
Questions, answered
Frequently asked questions
Is my text uploaded?
No. Every conversion happens in this browser.
Does title case preserve punctuation?
Identifier-style conversions normalize punctuation into word boundaries; title case also normalizes words.
Can I undo a conversion?
Use your browser or system undo shortcut immediately after conversion, or keep a copy of the source text.