Case Converter

Transform any string between common naming styles used in code and writing: UPPER CASE, lower case, Title Case, camelCase, PascalCase, snake_case.

Introduction

Case Converter is a free, browser-based utility in our Text Tools collection. Transform any string between common naming styles used in code and writing: UPPER CASE, lower case, Title Case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. Switch strings between UPPER, lower, Title Case, camelCase, PascalCase, snake_case, and kebab-case. Built for renaming variables, CSS classes, API fields, and cleaning headlines. Everything runs locally in your browser — inputs stay on your device, with no account or upload required. Highlights include upper, lower, and title case.

Features

UPPER, lower, and Title Case
camelCase and PascalCase
snake_case, kebab-case, and CONSTANT_CASE
Live conversion as you type
One-click copy of the result

How to use

1
Paste or type text into the input panel.
2
Choose a target case style from the buttons.
3
Copy the converted output when you are ready.

Example

To camelCase

Input

Hello World from DevTools

Output

helloWorldFromDevTools

To snake_case

Input

Hello World from DevTools

Output

hello_world_from_dev_tools

Benefits

Run Case Converter entirely in the browser with no signup or installation.
Keep sensitive sample data private — processing never leaves your device.
UPPER, lower, and Title Case
camelCase and PascalCase
snake_case, kebab-case, and CONSTANT_CASE
Pair it with Word Counter and Lorem Ipsum when your workflow needs adjacent utilities.

FAQs

No. Case conversion runs entirely in your browser.

The tool splits on spaces, punctuation, and existing camelCase boundaries, then rebuilds the selected style.

Yes. Paste a variable or class name and switch between camelCase, snake_case, kebab-case, and more.

Yes. Case Converter on EverydayDevTools is free, with no account, watermarks, or usage caps for normal interactive use.

No. Case Converter runs in your browser. Your input is processed locally and is not sent to EverydayDevTools servers.

Transform any string between common naming styles used in code and writing: UPPER CASE, lower case, Title Case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE. It fits everyday text tools tasks when you want a fast local utility instead of installing a CLI or opening a heavy IDE feature.

Core capabilities include: UPPER, lower, and Title Case; camelCase and PascalCase; snake_case, kebab-case, and CONSTANT_CASE; Live conversion as you type.

Developers often pair Case Converter with Word Counter, Lorem Ipsum, URL Encoder. Open Related tools on this page for quick links.