AlphaSwap

Data Not Collected. Your Privacy is Protected.

Supports: Up to six family members can use this app with Family Sharing enabled.

No ads, subs, or in-app purchases.

AlphaSwap lets you encrypt and decrypt text using a deranged substitution cipher — a unique twist on classic encryption. Perfect for privacy, puzzles, or secure communication, AlphaSwap transforms your text using a randomized or user-defined key.

Features:

Generate a random deranged key (A–Z) for one-time-use encryption

Enter your own 26-letter deranged key manually

Instantly transform text for encryption or decryption

Automatically calculates the reverse key for quick decryption

Works with both uppercase and lowercase characters

Clean, intuitive interface for quick and easy usage

How to Use:

Input your message in the text box

Generate or input a deranged key

Tap “Transform” to encrypt or decrypt

Use the reverse key to decode any encrypted message

Ideal For:

Encrypting private messages offline

Cryptography practice and learning

Puzzle creation and solving

Sharing coded text without revealing content