Case Conversion Cheat Sheet

Quick reference for all case types with examples and usage recommendations.

UPPERCASE

All Caps
Before: the quick brown fox After: THE QUICK BROWN FOX

Best For:

  • Acronyms and initialisms (NASA, FBI)
  • Legal document emphasis
  • Warning messages and alerts
  • Programming constants
  • Form field labels (sometimes)
Avoid: Extended text (harder to read), emails (seems aggressive)

lowercase

All Small
Before: THE QUICK BROWN FOX After: the quick brown fox

Best For:

  • Programming variable names
  • URLs and file paths
  • Email addresses
  • Normalizing data for processing
  • Casual branding (some modern brands)
Note: Not appropriate for formal writing without proper capitalization afterward

Title Case

Headline Style
Before: the quick brown fox jumps over the lazy dog After: The Quick Brown Fox Jumps over the Lazy Dog

Best For:

  • Headlines and titles
  • Book and article titles
  • Chapter headings
  • Publication names
  • Professional presentations
Minor words (a, an, the, and, but, or, at, by, for, in, of, on, to) stay lowercase unless first word

Sentence case

Normal Text
Before: THE QUICK BROWN FOX. HE JUMPS HIGH. After: The quick brown fox. He jumps high.

Best For:

  • Body text and paragraphs
  • Modern UI and web headings
  • Casual emails
  • Social media posts
  • APA reference list entries
Remember: Proper nouns need manual re-capitalization after conversion

Capitalize Words

Every Word
Before: the quick brown fox After: The Quick Brown Fox

Best For:

  • Names and proper nouns
  • Address formatting
  • Database name fields
  • Quick formatting without style rules
  • Non-English titles (varies by language)
Difference from Title Case: No exceptions for minor words

aLtErNaTiNg CaSe

Stylistic
Before: the quick brown fox After: tHe QuIcK bRoWn FoX

Best For:

  • Social media sarcasm/mockery
  • Meme text formatting
  • Stylistic usernames
  • Creative/artistic text
Avoid: Professional communication, formal documents, accessibility-focused content

iNVERSE cASE

Fix Caps Lock
Before: hELLO wORLD After: Hello World

Best For:

  • Fixing caps lock mistakes
  • Correcting inverted text
  • Quick case flipping
Pro Tip: If you typed with caps lock on, inverse case instantly corrects it

Keyboard Shortcuts

Ctrl + Enter Apply last used case type
Escape Clear all text