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. It also allows you to apply meaningful keys—such as those related to digital cryptocurrency assets—and securely transform them into encrypted text. Features: Generate a random deranged key (A–Z) for one-time-use encryption Enter your own 26-letter deranged key manually Transform meaningful keys (e.g. digital cryptocurrency–related keys) into secure encrypted text 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 or key 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 or sensitive text offline Protecting digital cryptocurrency–related information Cryptography practice and learning Puzzle creation and solving Sharing coded text without revealing content