Text Case Converter
Paste or type your text below and instantly convert it to any case format — free, private, no signup.
Case Format Reference
A quick guide to each conversion type and when to use it.
Sentence Case
Hello world. How are you?Capitalises the first letter of each sentence. Ideal for general writing.
Lower Case
hello worldConverts every character to lowercase. Useful for normalising data.
UPPER CASE
HELLO WORLDAll characters become uppercase. Great for headings and constants.
Capitalized Case
Hello WorldEvery word's first letter is capitalised. Used for proper nouns and names.
Title Case
The Quick Brown FoxSmart capitalisation that skips minor words like "a", "the", "and".
aLtErNaTiNg CaSe
hElLo WoRlDAlternates between upper and lowercase — fun for memes and mock-speech.
iNVERSE cASE
hELLO wORLDFlips the capitalisation of every character in the text.
camelCase
helloWorldExampleWords joined with no space; each word (except the first) starts uppercase. Common in JavaScript variables.
PascalCase
HelloWorldExampleLike camelCase but the first word is also capitalised. Used for class names.
snake_case
hello_world_exampleWords separated by underscores in lowercase. Standard in Python and databases.
kebab-case
hello-world-exampleWords separated by hyphens in lowercase. Common in URLs and CSS class names.
CONSTANT_CASE
HELLO_WORLD_EXAMPLEUppercase snake_case. Typically used for constant declarations in code.
dot.case
hello.world.exampleWords separated by dots in lowercase. Used in configuration keys and logging.
Why CaseForge?
CaseForge is a fast, lightweight text transformation tool built for writers, developers, and content creators. No accounts, no ads, no tracking — just instant results.
All processing happens entirely in your browser. Your text never leaves your device.