Case Converter
Convert text to uppercase, lowercase, title case, or sentence case instantly.
What does this tool do?
This case converter transforms your text into different capitalization styles. Perfect for formatting headlines, social media posts, code comments, or any text that needs consistent casing.
✅ Best for: Content writers, social media managers, developers, students.
Case types explained
lowercase
All letters are converted to lowercase. Example: this is all lowercase
Use for: URLs, slugs, informal writing.
UPPERCASE
All letters are converted to uppercase. Example: THIS IS ALL UPPERCASE
Use for: Acronyms, emphasis, warnings.
Title Case
First letter of every major word is capitalized. Example: This Is Title Case Example
Use for: Headlines, blog post titles, book chapters.
Sentence case
Only the first letter of the first word is capitalized. Example: This is sentence case example
Use for: Paragraphs, meta descriptions, standard writing.
Examples
Input:
the QUICK brown Fox jumps OVER the lazy DOG
Outputs:
- lowercase: the quick brown fox jumps over the lazy dog
- UPPERCASE: 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
Common mistakes to avoid
- ❌ Using all caps for long paragraphs — hard to read and looks spammy
- ❌ Inconsistent capitalization in brand names
- ❌ Forgetting that title case may capitalize small words like "the", "and", "of"
Frequently asked questions
Title case capitalizes every major word. Sentence case capitalizes only the first word and proper nouns.
Yes, title case is standard for blog post titles, headlines, and article headings.
Yes, all punctuation and special characters are preserved while only letter casing changes.