Developer & Text ToolsFree100% Client-Side

Text Case Converter

Instantly convert text into UPPERCASE, lowercase, camelCase, snake_case, and 6 other case formats with one click.

100% privateRuns instantly in-browserUpdated regularly

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100% Secure & Private

Your files never leave your computer — processed in-browser with WebAssembly.

Lightning Fast

No queues, no uploads — results in milliseconds, even on mobile.

Modern & Ad-Light

Clean interface, dark mode, and no popups — built to beat legacy tools.

What you get

10 case transforms including camelCase, PascalCase, snake_case
Smart tokenization on word and case boundaries
Individual copy buttons for every format
Correct Title Case and Sentence case handling
Real-time conversion as you type

Frequently asked questions

How does the converter handle mixed input like "HTTPServer_name"?

The tool tokenizes on whitespace, punctuation, and existing case boundaries (like acronym-to-word transitions), so "HTTPServer_name" correctly splits into HTTP, Server, and name before reformatting.

What's the difference between camelCase and PascalCase?

camelCase starts with a lowercase letter (helloWorld) while PascalCase capitalizes every word including the first (HelloWorld).

Can I copy just one converted result?

Yes, each case format has its own copy button so you can grab exactly the format you need without copying the whole list.

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