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CONSTANT_CASE converter

Uppercases words and joins them with underscores, for constants and environment variables.

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Example

Before
user profile image url
After
USER_PROFILE_IMAGE_URL
  1. 1Type or paste your text into the box.
  2. 2Click “CONSTANT_CASE”. Select part of the text first to convert only that.
  3. 3Copy the result or download it as a .txt file.

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Sentence case

the quick brown fox jumps over the lazy dog. is it a bird? no, it's recase!

The quick brown fox jumps over the lazy dog. Is it a bird? No, it's recase!

Lower case

THIS WAS TYPED WITH CAPS LOCK ON.

this was typed with caps lock on.

Upper case

the quick brown fox jumps over the lazy dog. is it a bird? no, it's recase!

THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG. IS IT A BIRD? NO, IT'S RECASE!

Capitalized case

the quick brown fox jumps over the lazy dog. is it a bird? no, it's recase!

The Quick Brown Fox Jumps Over The Lazy Dog. Is It A Bird? No, It's Recase!

Title case

a guide to the art of making tea in the morning

A Guide to the Art of Making Tea in the Morning

Alternating case

i am being completely serious right now

i Am BeInG cOmPlEtElY sErIoUs RiGhT nOw