Developer tools
Case Converter

Case converter

Rename a variable for a different language or style guide without retyping it. Paste text once and see it in every common case format at the same time.

Open Case Converter — free Get the Windows app

Free in your browser — no sign-up. Install from the Microsoft Store to use it offline on Windows 10 and 11.

How to use it

Open the Case Converter and paste a word, phrase or identifier.
Every format updates instantly.
Copy the one you need, or Copy all formats.

Example

Input

user account id

Every format

camelCase        userAccountId
PascalCase       UserAccountId
snake_case       user_account_id
SCREAMING_SNAKE  USER_ACCOUNT_ID
kebab-case       user-account-id
Train-Case       User-Account-Id
Title Case       User Account Id
Sentence case    User account id
UPPERCASE        USER ACCOUNT ID
lowercase        user account id

Features

Ten formats at once — camelCase, PascalCase, snake_case, SCREAMING_SNAKE, kebab-case, Train-Case, Title Case, Sentence case, UPPERCASE and lowercase.
Understands existing identifiers — paste userAccountId or user-account-id and it splits the words correctly.
Smart Title Case keeps short words such as “a”, “and” and “of” lowercase.

Frequently asked questions

Which case should I use?

Follow your language’s convention: camelCase for JavaScript and Java variables, PascalCase for classes and types, snake_case for Python and SQL columns, SCREAMING_SNAKE for constants, and kebab-case for URLs and CSS classes.

Is it free?

Yes, the case converter is free and works offline in the Windows app.

One workspace for all of it

Case Converter is one of 18 developer tools in CodeForge — alongside a JSON formatter, JWT decoder, regex tester, UUID and hash generators, and more. Press Ctrl+K to jump to any of them.