PascalCase vs camelCase: What's the Difference?
Published 2026-02-12 · convertcase.in
PascalCase and camelCase look very similar but have one key difference: the first letter. This distinction matters in most programming conventions.
Try it now — free instant conversion
No signup · No limits · Works on all devices
1The Difference
camelCase: myClassName (first letter lowercase) PascalCase: MyClassName (first letter uppercase)
2Where PascalCase is Used
Class names in almost all OOP languages (Java, C#, Python, JavaScript/TypeScript), React component names, TypeScript interfaces, and C# properties.
3Where camelCase is Used
Variables and functions in JavaScript, TypeScript, Java, C# — basically, method and variable names.
Frequently Asked Questions
Is PascalCase the same as UpperCamelCase?
Yes — PascalCase and UpperCamelCase are different names for the same convention.