What is an inverse case converter?

An inverse case converter flips the case of each letter in your text—uppercase becomes lowercase and vice versa.

Is this tool free to use?

Yes, the Inverse Case Converter is completely free and requires no registration.

Can I copy or download the converted text?

Absolutely. You can copy the result to your clipboard or download it as a .txt file.

Does this tool store my input text?

No, all processing happens locally in your browser. We do not store any user data.

Inverse Case Converter | Flip Text Case Online

Inverse Case Converter

Use our free Inverse Case Converter to instantly flip the case of your text—uppercase becomes lowercase and lowercase becomes uppercase. Ideal for developers debugging mixed-case strings, writers adding stylistic flair, or students formatting assignments. No login required, and your data stays private.

Enter Text to Convert

Converted Output

Frequently Asked Questions

What is inverse case?
Inverse case swaps each letter’s case—uppercase becomes lowercase and vice versa.
Who uses this tool?
Writers, developers, students, and designers use it for formatting, debugging, and creative styling.
Is my text stored?
No. All processing is done locally in your browser.
Can I download the result?
Yes, you can download the converted text as a .txt file.