English Case Converter

Update time:

Tool Introduction:

Online English case converter that supports converting text to uppercase, lowercase, or title case. Enter your text, click the desired conversion button, and get instant results. Simple and practical.

English Alphabet - Uppercase and Lowercase Letters

The English alphabet consists of 26 letters, each with uppercase and lowercase forms. Uppercase letters are used at the beginning of sentences, proper nouns, etc., while lowercase letters are used for regular text.

Aa
/eɪ/
Bb
/biː/
Cc
/siː/
Dd
/diː/
Ee
/iː/
Ff
/ef/
Gg
/dʒiː/
Hh
/eɪtʃ/
Ii
/aɪ/
Jj
/dʒeɪ/
Kk
/keɪ/
Ll
/el/
Mm
/em/
Nn
/en/
Oo
/əʊ/
Pp
/piː/
Qq
/kjuː/
Rr
/ɑː(r)/
Ss
/es/
Tt
/tiː/
Uu
/juː/
Vv
/viː/
Ww
/ˈdʌbljuː/
Xx
/eks/
Yy
/waɪ/
Zz
/zed/ /ziː/

About Case Conversion

Case conversion is the process of changing letters in text from uppercase to lowercase, or vice versa. It's particularly useful in computer programming, document formatting, and text processing.

Conversion Examples

  • Uppercase: hello world → HELLO WORLD
  • Lowercase: HELLO WORLD → hello world
  • Title Case: hello world → Hello World
  • Sentence case: hello world. this is a test. → Hello world. This is a test.