Case Converter
Convert any text between every common case format. Useful for coding, data wrangling, SEO slug prep, and renaming conventions. All transformations run in your browser.
Developer Utility
Nine case styles in one view: no more manually renaming variables.
Rename a column from
customer_email_address to customerEmailAddress, convert UTM campaign names to lowercase at bulk, or prep sql_snake_case for a GraphQL schema. All in one view with live conversion.
Input
All conversions
Bulk mode (one entry per line)
Convert many entries at once
Frequently asked questions
What case formats does the tool support?
UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE.
What is the difference between camelCase and PascalCase?
camelCase starts lowercase (
customerEmail). PascalCase starts uppercase (CustomerEmail). Used in different programming conventions.When do I use kebab-case?
URLs, CSS class names, HTML attributes.
primary-button rather than primaryButton.When do I use snake_case?
Python variables, SQL column names, some config file formats.
customer_email.Does Title Case follow AP style?
The tool approximates Title Case by capitalising all major words. True AP Style has rules about preserving lowercase for articles, conjunctions, short prepositions.
Can it handle accented characters?
Yes. Case transformations preserve diacritics (é, ü, ñ).
What about non-Latin scripts?
Case-sensitive scripts (Latin, Cyrillic, Greek) transform correctly. Case-insensitive scripts (CJK, Arabic) pass through unchanged.
Does the tool work on code?
Yes. Convert variable names between formats when porting code between languages.
What is CONSTANT_CASE?
Uppercase with underscores. Used for constants in many languages (
MAX_RETRIES, API_KEY).Can I batch-convert a list?
Yes. Paste a list, each line is processed independently.
What about mixed-case input?
The tool infers token boundaries from existing case changes, hyphens, underscores. Mostly works.
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