Omnipus

Vigenère cipher

Encrypt or decrypt with a repeating keyword.

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Runs on your deviceFreeNo account

How to use Vigenère cipher

Open Vigenère cipher. Encrypt or decrypt with a repeating keyword. Set the options, then copy or download. Files and text stay on your device. Built for phones and desktops.

Encrypt or decrypt with a repeating keyword. Polyalphabetic. Key letters only; numbers pass through. Vigenère cipher on Omnipus runs in this tab with no upload. No account, watermark, or daily cap.

Also useful when searching for vigenere cipher, vigenère decoder. All processing for this tool happens in your tab unless labeled otherwise.

Questions

Is Vigenère cipher free?

Yes. No signup, watermark, or quota.

Do you upload my data?

No. This tool stays in your browser.

Will this work on my phone?

Yes. Controls stack, tap targets are large.

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