English case converter
Convert English text to upper, lower, title or sentence case.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Text
Converted result
English case was converted.
Enter text to convert
What this tool does
- Normalize English letter case.
- Format English titles.
- Capitalize sentence starts.
Example
Input
hello WORLD
Output
Hello World
Only ASCII English letters are recognized; title case capitalizes each English word and lowercases its remaining letters.
Frequently asked questions
Which modes are supported?
upper, lower, title and sentence.
Is Chinese changed?
No.
How does title mode handle hyphens?
Each English word is capitalized separately.
Keywords：英文大小写case converteruppercase