Question 1

Do I need to sign up to use Vigenère Cipher?

Accepted Answer

No. All Tools Ku features are free with no registration.

Question 2

Does Vigenère Cipher upload my data?

Accepted Answer

No. Processing happens in your browser; data is not uploaded to toolsku.com.

Question 3

Production passwords?

Accepted Answer

Use server-side libraries.

Question 4

Output format?

Accepted Answer

Often hex or Base64—see page.

Question 5

Does it work on mobile?

Accepted Answer

Yes. For large files, use Wi-Fi for a smoother experience.

Question 6

Can I download the result?

Accepted Answer

Yes. Copy text output or use the download button when available.