Toggle Case Converter — Free Online Tool
Last updated: January 2025
Your text is processed locally — we never store your data. Free forever, no signup.
0 characters
Your Toggle Case Converter result will appear here
What is Toggle Case Converter?
Toggle Case inverts the case of every letter — uppercase becomes lowercase and vice versa.
When to use Toggle Case Converter?
Use toggle case to quickly invert text that was accidentally typed with Caps Lock on, or for creative text effects.
How to use this tool
- 1Paste your text in the input box
- 2Click 'Convert' to toggle all letter cases
- 3Copy the inverted result
Examples
| Input | Output |
|---|---|
| Hello World | hELLO wORLD |
| I accidentally had CAPS LOCK on | i ACCIDENTALLY HAD caps lock ON |
| ThIs Is A tEsT | tHiS iS a TeStIt |
| UPPERCASE text | uppercase TEXT |
| lowercase TEXT | LOWERCASE text |
Rules & Behavior
- Uppercase letters become lowercase
- Lowercase letters become uppercase
- Numbers and symbols are unchanged
Related Tools
Frequently Asked Questions
What does toggle case do?
Toggle case inverts the case of every letter. Uppercase becomes lowercase and lowercase becomes uppercase.
When is toggle case useful?
It's useful to fix text accidentally typed with Caps Lock on. It's also used for creative effects and meme-style text.
Is toggle case the same as inverse case?
Yes, they are essentially the same operation — both invert the case of every character.
Does it change numbers?
No, numbers and symbols are not affected. Only alphabetic letters have their case toggled.
Can I undo toggle case?
Yes! Applying toggle case twice returns the text to its original state.