Case Converter

Capitalization and underscore standards keep development code readable and consistent across complex repositories. Using a dedicated converter simplifies transforming raw text records or database fields into clean variable names. If you are cleaning up redundant log data or duplicate lists before renaming your fields, you can sanitise lists using our Duplicate Line Remover. For instance, a single variables sheet often mixes multiple patterns:

const config = {
  db_user_name: "admin",    // snake_case
  serverPort: 8080,        // camelCase
  "Content-Type": "json"   // Train-Case
};

The camelCase format is standard in JavaScript, TypeScript, and Java. It starts with a lowercase letter, and capitalises the first letter of each subsequent word, resembling the humps of a camel. If you need to pass these variables within query routes or dynamic HTTP parameters, you can safely encode the characters using our URL Encoder / Decoder. Here is standard camelCase application syntax:

function calculateUserRating(userId, totalPoints) {
  const currentAverage = totalPoints / 10;
  return currentAverage;
}

The snake_case convention separates words with single underscores, typically written completely in lowercase. This format is the standard convention in relational SQL schemas, database columns, and Python codebases. If you are importing spreadsheet data containing database records, you can parse the structures cleanly with our CSV to JSON Converter. Here is how snake_case columns map to SQL tables:

CREATE TABLE user_profiles (
  profile_id INT PRIMARY KEY,
  first_name VARCHAR(50) NOT NULL,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

The kebab-case style separates lowercase words using a dash instead of an underscore. This layout is standard inside CSS class rules, HTML attributes, and URL routing paths. To design complex grid container templates that correspond to these naming structures, check out our visual CSS Grid Generator. Here is a typical kebab-case class architecture:

.primary-button-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

The PascalCase structure capitalises the starting letter of every word. It is used to define class builders, interfaces, object types, and React component names. If you are converting SVG illustrations to components, try our interactive SVG to JSX Converter. Here is a standard PascalCase constructor implementation:

class UserProfileCard extends React.Component {
  render() {
    return <div className="user-profile">Profile</div>;
  }
}

When building APIs, databases often return payload fields in snake_case, whereas modern client apps require camelCase. Instead of modifying database schemas, frontend developers automate mapping key configurations inside payload interceptors:

const toCamel = (str) => str.replace(/_([a-z])/g, (g) => g[1].toUpperCase());

const cleanPayload = {
  user_id: 101,
  user_email: "[email protected]"
};

const mappedPayload = {
  userId: cleanPayload.user_id,
  userEmail: cleanPayload.user_email
};