Convert to lowercase
Open the toolkit
Free, no sign-up, nothing leaves your browser.
Worked example
Every letter in lower case, using the locale-aware mapping.
- Input
the quick brown fox jumps over the lazy dog
- Output
the quick brown fox jumps over the lazy dog
The rules
Changing case is language-dependent, which is why this runs through the locale-aware mapping rather than the naive one. Turkish dotless i is the classic example, and the German sharp s uppercases to two letters.
Every format
The same phrase in all twelve formats. The row marked with an asterisk is this page's format.
| Format | Result |
|---|---|
| UPPERCASE | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG |
| lowercase * | the quick brown fox jumps over the lazy dog |
| Sentence case | The quick brown fox jumps over the lazy dog |
| Title Case | The Quick Brown Fox Jumps Over the Lazy Dog |
| camelCase | theQuickBrownFoxJumpsOverTheLazyDog |
| PascalCase | TheQuickBrownFoxJumpsOverTheLazyDog |
| snake_case | the_quick_brown_fox_jumps_over_the_lazy_dog |
| kebab-case | the-quick-brown-fox-jumps-over-the-lazy-dog |
| CONSTANT_CASE | THE_QUICK_BROWN_FOX_JUMPS_OVER_THE_LAZY_DOG |
| dot.case | the.quick.brown.fox.jumps.over.the.lazy.dog |
| aLtErNaTiNg | tHe QuIcK bRoWn FoX jUmPs OvEr ThE lAzY dOg |
| iNVERSE | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG |