Case Converter
Convert text into uppercase, lowercase, sentence case, title case, and common developer formats instantly in your browser.
Outputs update instantly as you type.
UPPERCASE
lowercase
Sentence case
Title Case
camelCase
kebab-case
snake_case
How to use this tool
What this tool does and how it can help.
A case converter quickly transforms the same text into different letter casing styles in the browser. Use it before copy-paste, publishing, or code handoff to keep formatting consistent.
Writers use it to switch between title-style headers and sentence-style body text, while developers use camelCase, kebab-case, and snake_case when naming variables, file names, routes, and identifiers.
Marketers can use case transforms for consistent campaign copy, and data teams use them for quick normalization before downstream validation or cleanup.
- Use title case for readable headings and page titles.
- Use camelCase for JavaScript variables and object keys.
- Use kebab-case for URLs, filenames, and command style identifiers.
- Use snake_case for API fields, configuration keys, and databases.
FAQ
- Is my text uploaded anywhere?
- No. All conversions happen directly in your browser and your input is not uploaded.
- What is the difference between camelCase, snake_case, and kebab-case?
- camelCase joins words with internal capital letters and no separators, snake_case uses underscores, and kebab-case uses hyphens.
- Can I copy the converted result directly?
- Yes. Each format has its own copy button, so you can copy any converted output directly from the results list.