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Case Converter

Transform text into 12 different cases at once — ideal for renaming variables, fixing headlines or cleaning up copy. Click any result to copy it.

  • Runs in your browser
  • Free, no sign-up
  • No uploads

Your text

UPPERCASE
HELLO WORLD
lowercase
hello world
Title Case
Hello World
Sentence case
Hello world
camelCase
helloWorld
PascalCase
HelloWorld
snake_case
hello_world
kebab-case
hello-world
CONSTANT_CASE
HELLO_WORLD
dot.case
hello.world
aLtErNaTiNg
hElLo WoRlD
iNVERSE cASE
hELLO wORLD

How to use the Case Converter

  1. 1

    Type or paste the text you want to convert.

  2. 2

    All case variants are generated instantly.

  3. 3

    Click Copy next to the format you need.

Features

12 case styles
Including camel, Pascal, snake, kebab, constant, dot and title case.
Smart word splitting
Recognizes word boundaries in camelCase, snake_case and acronyms.
Multi-line support
Each line is converted independently.
One-click copy
Copy any variant instantly.

Frequently asked questions

What is the difference between camelCase and PascalCase?

camelCase starts with a lowercase letter (myVariable), while PascalCase capitalizes the first letter too (MyVariable).

Which case should I use for constants?

Most style guides use CONSTANT_CASE (also called SCREAMING_SNAKE_CASE) for constants and environment variables.

Are my texts uploaded to a server?

No. All processing happens locally in your browser using JavaScript and WebAssembly. Your texts never leave your device, and nothing is stored or logged.