ClipGhost

Zero-Knowledge, Air-Gapped Clipboard Encryption Tool for Android

ClipGhost is a lightweight, offline security utility designed to turn any messaging app, email client, or note-taking service into an end-to-end encrypted channel without relying on third-party servers, network sockets, or account registrations.

⚡ Key Highlights Air-Gapped Operation: Zero internet permissions required (android.permission.INTERNET is completely omitted). No analytics, telemetry, tracking, or remote endpoints. Payload-Aware Reactive UI: Automatically detects ENC:: tokens upon pasting or resuming the app, immediately handling decryption and cleanup. Military-Grade Cryptographic Stack: Full implementation of the Fernet specification utilizing AES-128-CBC with 480,000 PBKDF2 iterations and HMAC-SHA256 authentication. Multi-Contact Keyring: Manage individual secret passphrases for different contacts with one-tap switching. Instant Clipboard Sanitization: Optional automatic clipboard wiping immediately after plaintext exposure to mitigate Android clipboard-history logging. Bilingual & Global Ready: Native support for 22 world languages and adaptive high-contrast Cyber Dark and Clean White themes.