Auto-convert as you type
Stop clicking “convert” over and over. Pro Case Converter listens to your input and updates the output panel in real time, so you can focus on writing, not formatting.
Convert text cases instantly as you type.
Paste once, pick a mode, and let Pro Case Converter handle the rest. Auto-convert up to 25,000 characters with a UI designed to keep you in flow on desktop and mobile.
Your text never leaves your browser. No sign-up, no tracking of content.
Change the active mode above to instantly see a different case style.
Built to keep you in flow.
Designed for modern devices
The layout adapts smoothly from large desktop screens to small phones. Buttons are touch-friendly, text areas resize nicely, and the interface stays readable in both dark and light themes.
Privacy-friendly and fast
Everything runs with lightweight JavaScript directly in your browser. There are no logins, servers, or clipboard snooping, making Pro Case Converter ideal for professional and sensitive content.
Frequently asked questions
Do I need an account to use it?
No. Pro Case Converter is completely free and does not require any account or sign-up.
What is the character limit?
The tool is optimized for up to 25,000 characters per conversion. This keeps the experience snappy even on mobile devices.
Will you store my text?
No. All conversions happen in your browser only. We never send your text to a server or log it anywhere.