What is TextCase?
TextCase is a free, fast, and easy-to-use text case converter that helps you transform text between different formats. Whether you need to convert text to uppercase, lowercase, title case, sentence case, or other variations, TextCase makes it simple with real-time conversion and one-click copying.
Key Features
See your text transform instantly as you type
UPPERCASE, lowercase, Title Case, Sentence case, and more
Copy converted text to clipboard with a single click
All processing happens locally in your browser
Track character and word count in real-time
Works perfectly on desktop and mobile devices
Supported Case Formats
UPPERCASE
Convert all letters to capital letters
lowercase
Convert all letters to small letters
Title Case
Capitalize the first letter of each word
Sentence case
Capitalize the first letter of each sentence
aLtErNaTiNg CaSe
Alternate between uppercase and lowercase
iNVERSE cASE
Invert the case of each letter
Technology
TextCase is built with modern web technologies including Next.js 15, React 19, TypeScript, and Tailwind CSS. The application is designed to be fast, accessible, and user-friendly across all devices.
TextCase is developed and maintained by a passionate developer who believes in creating useful, accessible tools for everyone. The focus is on privacy, performance, and user experience.