Crypto String - AES Encrypt
Base64 Encoder & Secure Text
$0.99 · Designed for iPad. Not verified for macOS.
New: import text and keys from Files or iCloud Drive, plus one-tap key view. 100% offline processing — no ads, no tracking, no subscriptions.
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)
• Multilingual Interface – Automatic language switching
• 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.
Download Crypto String now and encrypt with confidence!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 1.0.5
• Import text and keys from Files & iCloud Drive
• New eye-icon to safely show or hide your key
• Refined settings layout and dark mode
• Performance and stability improvements
The developer, Xu Wang, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Xu Wang
- Size
- 493.6 KB
- Category
- Utilities
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 8 more
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2025 Nate
