DevHive

Case Converter

Convert text between all case formats

UPPERCASE
THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG
lowercase
the quick brown fox jumps over the lazy dog
Title Case
The Quick Brown Fox Jumps Over The Lazy Dog
Sentence 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
Alternating
tHe qUiCk bRoWn fOx jUmPs oVeR ThE LaZy dOg

How to Use Case Converter

  1. 1

    Paste or type your text into the input box.

  2. 2

    Click the case style you want: UPPERCASE, lowercase, Title Case, Sentence case, or camelCase.

  3. 3

    Copy the converted text from the output area.

About Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case instantly. Free.

Best Use Cases

  • Converting variable names between camelCase and snake_case for different languages
  • Formatting titles and headings to proper Title Case
  • Converting all-caps text from PDFs into readable sentence case
  • Preparing URL slugs by converting titles to kebab-case
  • Standardizing text formatting before importing into a database

Examples

Variable naming

Paste getUserProfile and convert to snake_case to get get_user_profile for Python code.

Fixing caps

Paste ALL CAPS TEXT FROM A PDF and convert to Sentence case for clean, readable paragraphs.

URL slugs

Enter a blog post title. Convert to kebab-case to get a clean URL-friendly slug like my-blog-post-title.

Common Mistakes to Avoid

  • !Applying Title Case to text with acronyms, which may incorrectly lowercase them
  • !Not checking the output when converting between camelCase and snake_case with numbers
  • !Assuming sentence case will preserve proper nouns, which it cannot detect

Limitations

  • Cannot detect proper nouns or acronyms for smart capitalization
  • Language-specific capitalization rules are not applied
  • Some edge cases with consecutive uppercase letters may not split correctly

Frequently Asked Questions

What is camelCase?

camelCase writes words together with no spaces, capitalizing each word after the first: 'helloWorldExample'.

What is snake_case?

snake_case uses underscores between words in lowercase: 'hello_world_example'.