Case Converter

Easily convert text between lowercase, UPPERCASE, Title Case, camelCase, snake_case, and kebab-case.

Configuration

This tool has an API.Automate it from your code — 1 credit/call.Open in Playground
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Examples & Use Cases

Raw Input

user account settings

Developer Casings

camelCase: userAccountSettings snake_case: user_account_settings kebab-case: user-account-settings

Ultimate Text Case Converter

Converting string formats manually is tedious and error-prone. Our Case Converter helps developers, data scientists, and writers transform text into standard programmatic casing conventions instantly. Switch seamlessly between Title Case for blog headlines, or camelCase, snake_case, and kebab-case for code variables.

Understanding Developer Casings

Different programming languages and frameworks enforce different syntax rules:

  • camelCase: Standard for JavaScript and Java variables (e.g., `myVariableName`).
  • snake_case: The default standard for Python variables and SQL database columns (e.g., `my_variable_name`).
  • kebab-case: Heavily used in CSS class names and URL routing (e.g., `my-variable-name`).

100% Privacy and Security

When refactoring proprietary application code, you need to be sure your logic isn't being scraped. Our utility runs entirely in your browser. We don't use server-side APIs, so your variables and data remain 100% private.

Frequently Asked Questions

What is Title Case?

Title Case capitalizes the first letter of every major word. It's highly recommended for newspaper headlines, blog titles, and book chapters.

Does this tool remove punctuation?

When converting to developer casings (camelCase, snake_case, kebab-case), special characters and punctuation are automatically stripped to ensure variable name compliance.

About Case Converter

Easily convert text between lowercase, UPPERCASE, Title Case, camelCase, snake_case, and kebab-case. It's built for writing, editing and content-cleanup tasks, runs instantly, and works on any device — no install, no sign-up.

How to use Case Converter

  1. Paste or type your input into the editor on the left.
  2. Leave the defaults, or tweak them if the tool exposes options.
  3. The result appears instantly on the right — everything runs in your browser, so nothing is uploaded.
  4. Copy the output, or download it, and you're done.

Why use Case Converter?

  • Fast and local — the transform happens in your browser, so there's no round-trip and no waiting.
  • Private by default — your input never leaves your device.
  • Accurate — the same, well-tested logic powers both this page and the public API.
  • Free — unlimited use in the browser, with an optional API for automation.

Use it from the API

Everything this page does is also available as a REST endpoint, so you can call Case Converter from your own code, a script or a CI pipeline.

Bash
curl "https://api.toolsxpo.com/v1/case-converter" \
  -H "Authorization: Bearer txp_live_YOUR_KEY"

The endpoint returns a JSON envelope ({ ok, data, meta }) and costs 1 credit per successful call. Try it in the playground or browse the full API reference.

Frequently asked questions

Is Case Converter free to use? Yes — use it in the browser as much as you like. The optional API has a free tier and pay-as-you-go pricing for heavy or automated use.

Is my data private? Yes. Case Converter runs entirely in your browser — your input never leaves your device and nothing is logged or stored.

Can I automate Case Converter? Yes — call the case-converter API endpoint from any language and script it into your workflow.

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