Free Tool — Private & Fast

Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more.

Your Text
Convert To
Output
Chars: 0 · Words: 0 · Lines: 0
Why Use AFFLIGO?
100% Private
Your text stays in your browser. Nothing is sent to any server.
12 Case Types
All popular letter cases in one tool. Click once to convert.
Instant Conversion
Click any case button and see the result immediately.
Read the Guide
How to Convert Text Case
Step-by-step guide to convert text between different letter cases.
Read Guide →
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How to Use the Case Converter

Step 1
Enter Text
Type or paste your text into the input box.
Step 2
Pick a Case
Click any case button (UPPERCASE, snake_case, camelCase, etc.).
Step 3
Copy or Download
The result shows instantly — copy it or download as a file.

Frequently Asked Questions

What case conversions are supported?
UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, and more.
How do I convert?
Paste or type your text, select the desired case, and see instant conversion.
Can I convert multiple formats?
Yes, convert to multiple case formats simultaneously.
Is my text private?
Yes, all conversion happens in your browser. No text is sent anywhere.
Can I copy the result?
Yes, click any converted text to copy it to your clipboard.