Case Converter

Convert text between different letter cases. Perfect for fixing accidental caps lock or formatting names and titles.

100% BROWSER-BASED

Input Text

Select Case Type

Output

/ HOW TO USE

How to Use Case Converter

This tool runs entirely in your browser. Upload your file, make your changes, and download the result. Your files never leave your device — everything is processed locally for maximum privacy.

/ FEATURES

Key Features

100% Client-Side Processing

No File Size Limits

Completely Free

Privacy Focused

Instant Results

Works Offline

/ USE CASES

Common Use Cases

—Fix text typed with CAPS LOCK on
—Format names and titles properly
—Convert variable names between camelCase and snake_case
—Prepare text for professional documents

/ FAQ

Frequently Asked Questions

What case types are supported?

We support lowercase, UPPERCASE, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and alternating case.

/ YOUR PRIVACY

Your Privacy is Guaranteed

Unlike other tools that upload your files to servers, ToolBox processes everything locally in your browser.

No server uploads

Instant processing

Works offline