Banana Split

Split secrets into QR-code shards using Shamir's Secret Sharing

PGPony

OpenPGP encryption with hardware security keys and password-store support

AgePony: Encrypt & Sign

Post-quantum file & message encryption with age. On-device, private, no ads.

Kryptos

Encrypt inside any messenger: the keyboard encrypts, the screen decrypts

Secret Space Encryptor (SSE)

File Encryption, Text Encryption (Messages, Notes, …), Secure Password Manager

CryptoSafe

Offline AES-256-GCM text encryption with Argon2id, no internet permission

Salty

A secure, offline-first message encryption tool for Android.

Bluecheese

Offline text encryption-fast, local, no trackers.

Secure QR Share

Share passwords and links securely via encrypted QR codes.

Simple Text Crypt

使用 AES256 加密純文本

CryptX

Simple Android Cryptography Toolkit

SecureYourChats

Text & File Encryption/Decryption with new OverlayTechnology

DroidCrypt

A file and text encryption tool for Android

OpenKeychain: Easy PGP

加密您的文件和通訊。相容 OpenPGP 標準。

KryptEY

Keyboard for secure E2EE communication through signal protocol in any messenger

Rivia

Rivia is the ultimate encryption tool

PixelKnot: Hidden Messages

Have a secret that you want to share? Why not hide it in a picture?

Encrypt Text

Minimalistic application to encrypt plain text using AES 256.

Oversec

Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!