Case Converter

Runs in your browser

Convert text to upper, lower, title, camel and snake case.

Text

Result

This tool runs entirely in your browser. Your data never leaves your device — nothing is uploaded to our servers.

Case Converter — free online text tools

Convert text to upper, lower, title, camel and snake case. Whether you need to uppercase a single file or handle them in bulk, this free online text tools tool gives you a fast, no-nonsense result with no sign-up, no watermark and no software to install. Because Case Converter runs entirely inside your browser, your files are never uploaded to a server — the whole process happens on your own device, so it stays completely private and works even on slow connections.

100% free — no subscription, no credit card and no hidden limits.
No account required; sign in only if you want to save your history and favorites.
Fully private — files are processed locally in your browser and never leave your device.
Works in any modern browser on desktop and mobile — installable as a fast PWA.
Clean output with no watermarks added to your text tools files.

How to case converter

1
Open the Case Converter tool and paste or drop your content into the input area.
2
Adjust the available options to match exactly what you need.
3
Run the tool — case converter completes instantly in your browser.
4
Preview the result, then copy it or download the output file.

Frequently asked questions

Is the Case Converter tool free to use?+

Yes. Case Converter is completely free with no watermarks, no sign-up requirement, and no file-size paywall. Create a free account only if you want your history and favorites saved.

Is my data safe with the Case Converter tool?+

Absolutely. Case Converter runs entirely in your browser — your files and text never leave your device and nothing is uploaded to our servers.

How do I case converter online?+

Open this page, drop or paste your content into the Case Converter tool, choose your options, and the result is generated instantly in your browser — then download or copy it. No installation or upload needed.

Is there a file size or usage limit?+

There is no per-file paywall. Because Case Converter runs on your own device, the practical limit is your browser's available memory rather than an artificial cap — most everyday text tools files process instantly.

Do I need to install anything to case converter?+

No installation needed. Case Converter works in any modern browser on Windows, macOS, Linux, Android and iOS, and can be installed as a lightweight web app (PWA) for one-tap access.

Does Case Converter work on mobile?+

Yes. The tool is fully responsive and works on phones and tablets exactly as it does on desktop, so you can case converter on the go.