Case Converter
Switch between naming conventions instantly.
Runs entirely in your browser — your data is never uploaded to any server.
How it works
- Paste your textOne identifier, or a whole list of them.
- Pick the target caseNine conventions to choose from.
- Copy the resultStraight into your code.
What this tool does
- Nine conventions including camelCase, snake_case and CONSTANT_CASE
- Splits words correctly whatever the input case
- Acronyms handled sensibly — HTTPResponse becomes httpResponse, not hTTPResponse
- Line-by-line conversion for lists of field names
Frequently Asked Questions
On spaces, underscores, hyphens and dots, and at the transitions between lower and upper case. Runs of capitals are treated as one acronym.
Every word. It does not apply editorial rules about small words, since those vary by style guide.
The programming cases strip separators by design. Use Sentence case or Title Case for prose.
Paste it in. Line-by-line mode keeps the structure intact.
Privacy and security
Your input is processed by JavaScript running inside your browser. Nothing you paste is sent over the network, logged, or stored — which is what makes this safe to use with production data. If you want to check this yourself: open your browser’s developer tools, switch to the Network tab, and use the tool — you will see no request carrying your file or input leave the page.
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