AES-256 Text Encryptor & Decryptor
Encrypt sensitive text notes, passwords, and API keys using authenticated AES-GCM 256-bit cryptography with PBKDF2 key derivation.
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How to Use AES-256 Text Encryptor & Decryptor
High-security client-side text encryptor. Uses the native Web Crypto API (SubtleCrypto) to perform authenticated AES-GCM (256-bit) encryption. Keys are derived from your passphrase using PBKDF2 with 100,000 iterations and random 16-byte cryptographic salts. Output is packed into URL-safe Base64. 100% private with zero server transmission.
Enter Text
Paste confidential message, passwords, or recovery seeds.
Set Passphrase
Enter a strong secret encryption password.
Encrypt & Copy
Copy the encrypted Base64 payload to safely store or transmit.
Technical Specifications & Compatibility
Verified processing capabilities, memory limits, and format standards for AES-256 Text Encryptor & Decryptor.
| Supported Input Formats | Text, Base64 |
|---|---|
| Execution Environment | 100% Client-Side In-Browser (WebAssembly / JavaScript / Canvas) |
| Privacy & File Retention | Zero server uploads · No data storage · Immediate memory wipe on tab close |
| Maximum File Limit | Up to 250 MB (dependent on available local device memory) |
| Processing Speed | Instantaneous local execution with zero upload or download latency |
| Platform Compatibility | Fully functional across Google Chrome, Apple Safari, Microsoft Edge, Mozilla Firefox, Android & iOS |
Practical Use Cases & Applications
Common real-world scenarios where AES-256 Text Encryptor & Decryptor solves everyday file and workflow challenges.
Securing Sensitive Notes
Encrypt private credentials before saving to cloud note apps or email drafts.
Safe Key Transmission
Send encrypted API keys or access tokens over messaging channels safely.
Personal Vault Backups
Maintain client-side encrypted archives of recovery keys.
Key Features & Capabilities
Local In-Browser Processing
Files and inputs for AES-256 Text Encryptor & Decryptor are processed in your local browser memory and never uploaded to GodOfTools servers. Standard website analytics and usage cookies are handled separately per our Privacy Policy.
Frequently Asked Questions
Everything you need to know about using AES-256 Text Encryptor & Decryptor securely and effectively.
Can someone decrypt my text without the passphrase?
Is my passphrase sent to any server?
Are my files safe and private when using AES-256 Text Encryptor & Decryptor?
Is AES-256 Text Encryptor & Decryptor free to use?
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