Case Converter solves a small but common problem: you have a chunk of text in the wrong case and need it fixed fast, without retyping a word of it. Instead of installing an app for that, we built Case Flip, a free text case converter that runs right here in your browser. Paste your text, tap a style, and the result updates instantly.
Use Case Flip now
Type or paste your text, then tap any case style. There is nothing to submit and nothing to wait for.
How to use it
Paste or type your text into the top box. Nine case styles sit in a row below it: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, aLtErNaTiNg CaSe, and InVeRsE CaSe. Tap one and the result box below updates immediately, and it keeps updating as you keep typing, so there is no separate convert step.
The camelCase, snake_case, and kebab-case styles split your text into real words first, so multiple spaces, punctuation, and even text that already has some capitalization convert cleanly into the format code and file names expect. A character and word count sits under the result for a quick sanity check. Tap Copy to send the converted text straight to your clipboard, with a clear confirmation when it lands.
Your last typed text is saved on your device, so it is already there next time you open the page. Nothing leaves your browser.
How it compares to Case Converter
Case Flip does one thing: turn text into any of nine common case styles, live, on anything with a browser. The full Case Converter app goes further, with a longer list of formats, text statistics, and quick sharing straight from your phone’s keyboard or share sheet.
We kept the core loop: type, pick a style, get an instantly correct result with one-tap copy. We left out the extra format list and system-level sharing integration, because a page you land on mid-search should solve the one conversion you came for in a few seconds, no install required.
Our honest advice: use Case Flip for a quick conversion while you are already in a browser, drafting an email or fixing a heading. Install the app if you convert text on your phone often enough that a dedicated keyboard-level tool saves you real time.
Get the full app
Case Converter is free on Android and adds a wider set of case formats plus direct sharing from other apps on your phone.
Frequently asked questions
Can I convert text case online for free?
Yes. Case Flip is free and works with no signup. Paste your text, tap a case style, and copy the result. Nothing to install.
Is this the official Case Converter app?
No. Case Flip is an original tool we built, inspired by the quick-conversion problem Case Converter solves. It is not affiliated with, endorsed by, or connected to the app’s developer. If you want the fuller format list and phone-level sharing, get the official app above.
Does it work offline?
Once the page has loaded, yes. All the conversion logic runs in your browser, so it keeps working without a connection.
Does my text get uploaded anywhere?
No. Everything runs and stays in your browser. Your text is never sent to a server, and the copy only saved on your own device is your last input, so you see it again next time you open the page.
Is it free?
Yes, completely free, with no account and no limit on how much text you convert.
