Cryptext

Cryptext is a secure text editor for macOS with built-in AES encryption. Write, encrypt, save and share sensitive texts without ever leaving your Mac. Whether you're protecting personal notes, passwords, business information or confidential documents, Cryptext provides a simple, fast and fully local environment. — BUILT-IN AES ENCRYPTION — Encrypt and decrypt text directly from the editor. Type your content, click "Encrypt" and your text is instantly protected. Click "Decrypt" to recover the original content. Cryptext supports AES-128, AES-192 and AES-256. Encryption strength automatically adapts to the length of your passphrase. — YOUR DATA STAYS ON YOUR MAC — Cryptext works entirely offline. No account. No server. No telemetry. No data collection. Your texts, keys and secrets remain under your control. — APPLE KEYCHAIN — Security credentials are stored in Apple's Keychain, the same technology used by macOS and Safari to protect sensitive information. — .CRYPTEXT DOCUMENTS — Cryptext introduces its own secure document format. .cryptext files preserve encrypted content and the information required to reopen it safely inside the application. — IMPORT AND EXPORT — • Open .cryptext documents • TXT export • .cryptext export • Secure document storage — ENCRYPTION MODES — • CBC (recommended) • ECB (compatibility) Choose the mode that best fits your workflow while keeping the experience simple and accessible. — ICLOUD PREFERENCES SYNC — Synchronize appearance and encryption preferences across your Macs using iCloud. Encryption keys are never synchronized. — CUSTOMIZATION — • Custom text colors • Custom background colors • Adjustable window transparency • Optional visual effects • Live preview — BUILT FOR MAC — Cryptext is a native macOS application developed with Swift and SwiftUI. Universal binary for Apple Silicon and Intel Macs. Requires macOS 15 or later.