Offline AES-256-GCM encryption. No accounts, no servers, no cloud.
About CipherBrick Pro
CipherBrick Pro is a tools app developed by Clifton Cazes.
Download Statistics
CipherBrick Pro has been downloaded 49 times. In the last 30 days, the app was downloaded 22 times. It is ranked in the top 100 tools apps.
User Ratings
The app has no ratings yet.
App Information
CipherBrick Pro costs $2.99 to download. The APK download size is 1.25 MB. The latest version available is 14. The last update was on June 12, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play 1 week ago.
Description
CipherBrick Pro is a privacy-focused encryption tool that converts messages and text into secure encrypted strings using AES-256-GCM, industry-standard encryption, running entirely on your device. No accounts. No servers. No internet required.
HOW IT WORKS Type or paste your message, enter a shared encryption key, and encrypt. Share the encrypted output through any channel: email, SMS, or chat. Only someone with the matching key can decrypt it.
FEATURES • AES-256-GCM encryption with user-supplied or randomly generated keys • Fully offline - no internet required after first launch • Key Exchange Wizard - securely establish a shared encryption key with another person using a text string; the sender's public key is embedded automatically, with no separate sharing step required • Audio transmission - the encrypted string is converted to audio tones and received by another device; useful for air-gapped and offline scenarios with no network or camera access • Hardware key and passkey support (HKPM) - bind encryption to a FIDO2 security key such as a YubiKey for hardware-level protection (Chrome required) • Simple mode - salt is auto-generated and embedded in the encrypted output; only a key is needed for decryption • Session timer - automatically clears keys and sensitive data after inactivity • No accounts, no telemetry, no ads, no cloud sync • Available in 9 languages: English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Chinese (Simplified) • Open source and fully auditable
WHO IS IT FOR Privacy-conscious individuals, business professionals, security researchers, and anyone who wants to keep sensitive communications private without relying on third-party servers or cloud services.
CipherBrick Pro works across platforms - Android, iOS (Safari), and any modern desktop browser - so both parties can communicate regardless of their device.
Recent changes: Initial public release of CipherBrick Pro. Offline AES-256-GCM encryption, QR/audio key exchange, and Hardware Key Private Message (HKPM) mode using WebAuthn PRF.
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