Case Converter - Convert Text to UPPERCASE, lowercase & More
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more with our free case converter. Transform text formatting instantly with multiple case conversion options for programming, writing, and text processing needs.
Case Converter
Transform text to different letter cases
Enter Your Text
0 characters
UPPERCASE
HELLO WORLD
Converts all letters to capital letters
lowercase
hello world
Converts all letters to small letters
Title Case
Hello World
Capitalizes the first letter of each word
Sentence case
Hello world
Capitalizes only the first letter of the sentence
camelCase
helloWorld
First word lowercase, subsequent words capitalized, no spaces
PascalCase
HelloWorld
All words capitalized and joined without spaces
snake_case
hello_world
Lowercase words separated by underscores
kebab-case
hello-world
Lowercase words separated by hyphens
CONSTANT_CASE
HELLO_WORLD
Uppercase words separated by underscores
dot.case
hello.world
Lowercase words separated by dots
aLtErNaTiNg cAsE
hElLo WoRlD
Alternates between lowercase and uppercase letters
iNVERSE cASE
hELLO wORLD
Inverts the case of each letter
Common Use Cases
Programming & Development:
camelCase: JavaScript variables, Java methods
PascalCase: Class names, component names
snake_case: Python variables, database fields
kebab-case: CSS classes, URLs, file names
CONSTANT_CASE: Environment variables, constants
Writing & Content:
Title Case: Headings, book titles
Sentence case: Regular sentences, descriptions
UPPERCASE: Emphasis, acronyms
lowercase: Casual text, modern design
aLtErNaTiNg: Mocking text, sarcasm
Case Conversion Rules
• Spaces: Most programming cases remove or replace spaces with separators
• Special Characters: Usually preserved unless specifically handled by the case type
• Numbers: Typically remain unchanged in all conversions
• Punctuation: Generally maintained in its original form
• Unicode: Non-English characters are handled according to their language rules
All text transformations are performed instantly in your browser without sending data to any server.