Case converter
Convert text to uppercase, lowercase, sentence case or word initials.
UTF-8 TXT or pasted text · up to 1 MB. Inputs stay in this tab.
How to use
- Convert text to uppercase, lowercase, sentence case or word initials.
- Enter your values and choose the options. Use the example below to check the result.
- Review the result; copy or download when available. Reset clears this tool.
Before you start
Rules are mechanical: proper names, abbreviations and editorial title conventions are not recognized. Chinese characters are unchanged.
hello WORLD → Hello World in word-initial mode.