Case Converter
Paste any text and instantly convert it to lowercase, UPPERCASE, camelCase, snake_case, and more.
lowercase
All letters in lower case
UPPERCASE
All letters in upper case
Title Case
First letter of each word capitalised
Sentence case
First letter of each sentence capitalised
camelCase
No spaces, each word capitalised except the first
PascalCase
No spaces, every word capitalised
snake_case
Lowercase words joined by underscores
kebab-case
Lowercase words joined by hyphens
CONSTANT_CASE
Uppercase words joined by underscores
aLtErNaTiNg
Alternates between lower and upper case letters
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Smart word splitting: Input is automatically split into words regardless of whether it uses spaces, camelCase, snake_case, or kebab-case — so all identifier-style formats convert correctly in both directions.
All conversion happens locally in your browser. No text is sent anywhere.