Most everyday writing only needs the core letter cases, not developer identifier styles.
Letter Case Converter keeps to those letter cases, so you can move text between UPPER, lower, Title, Sentence and Capitalize without the clutter.
How to use Letter Case Converter
- Paste the text whose letter case you want to change.
- Choose UPPER, lower, Title, Sentence or Capitalize and the result updates at once.
- Copy the letter-cased text when it reads the way you want.
Use cases
- Switching a heading between Title and Sentence case.
- Comparing UPPER and lower versions of a line.
- Capitalising each word for a label.
Good to know
Letter Case Converter is a focused letter-casing panel offering UPPER, lower, Title Case, Sentence case and Capitalize Each. It deliberately leaves out identifier cases like camelCase and snake_case to keep the choices about words and sentences. If you need those developer cases, the all-in-one Case Converter covers them. Everything runs locally in your browser.
Frequently asked questions
Why are there no camelCase or snake_case options?
This page focuses on letter cases for writing; for identifier cases, use the all-in-one Case Converter.
Which cases can I pick?
UPPER, lower, Title Case, Sentence case and Capitalize Each Word.
Does it run privately?
Yes. The conversion happens in your browser and nothing is uploaded.