Crypto String - AES Encrypt

Crypto String is the ultimate secure text encryption app using military-grade AES-256-GCM with authentication. Protect your sensitive information with powerful encryption and Base64 encoding — all 100% offline and private.

Core Features
• AES-256-GCM Encryption – Military-grade algorithm with custom keys for unique results
• Base64 Encode/Decode – Fast and reliable for data transmission and storage
• File Import – Directly import text/keys from local files or iCloud Drive
• Smart Key Management – Import keys + eye-icon toggle to view/hide safely
• History Records – Auto-save last 10 operations with key hints (only first 4 chars)
• Bilingual Interface – Full English & Simplified Chinese support
• Dark Mode + iOS Native – Built with Apple CryptoKit for maximum security

Security First
• 100% Local Processing – Nothing uploaded to cloud
• No data collection, no accounts, no tracking
• Keys never stored in plain text
• One-time purchase, no ads, no subscriptions

Perfect for protecting passwords, notes, private messages, or business data. Simple, fast, and truly private.

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