Case Converter
Easily convert text between different letter cases.
Mastering Capitalization (Deep Dive)
Correct capitalization is crucial for coding, accessibility, and professional writing. Here is when to use each style:
Use for headlines, book titles, and email subjects.
Example: "The Quick Brown Fox Jumps Over the Lazy Dog"
Standard for JavaScript variables and JSON keys. First letter lower, next words capitalized.
Example: "userProfileImage"
Standard for Python variables and database columns. All lower with underscores.
Example: "user_profile_image"
Standard for URL slugs and CSS classes. All lower with hyphens.
Example: "user-profile-image"
Frequently Asked Questions
How do I fix accidental caps lock in Word?
You can highlight the text and press Shift + F3 on Windows to toggle between uppercase, lowercase, and title case. Or simply paste it into our tool above for instant conversion.
What is PascalCase?
PascalCase is like camelCase, but the first letter is also capitalized (e.g., UserProfile). It is commonly used for Class names in programming languages like C#, Java, and React components.
Why use lowercase for URLs?
URLs are case-sensitive on some servers (like Linux/Apache). Mixing cases can lead to 404 errors. It is a best practice to keep all URLs lowercase and hyphen-separated (kebab-case) for consistency and SEO.
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