How do I use AES-256 Text Encryption & Decryption online for free?

Simply upload your file or enter your data into the AES-256 Text Encryption & Decryption workspace above, adjust any desired options, and click the action button. Your result is generated in seconds and can be copied or downloaded immediately for free.

Is AES-256 Text Encryption & Decryption safe and private for confidential files?

Yes. AES-256 Text Encryption & Decryption uses Hybrid Local & Zero-Retention Ephemeral Cloud Processing. Client-side operations never leave your browser, and any server-assisted tasks are processed in ephemeral memory and permanently purged the moment your response finishes.

Does ProIT add watermarks or require software installation?

No. AES-256 Text Encryption & Decryption runs entirely in your web browser on Windows, Mac, Linux, iOS, and Android, and never stamps watermarks onto your exported documents or images.

What are the file size and quota limits for AES-256 Text Encryption & Decryption?

Standard free usage supports generous daily operations up to 10MB per upload with zero sign-up required. Upgrading to ProIT Pro or Business unlocks up to 100MB+ file sizes, bulk batch ZIP processing, and headless API key access.

Can I automate AES-256 Text Encryption & Decryption via REST API or batch mode?

Yes! You can use the built-in Batch ZIP panel on this page to process multiple files at once, or generate an X-API-Key in your account dashboard to call /api/v1/tools/text-encryption-aes/execute programmatically.

AES-256 Text Encryption & Decryption

FREE

Protect confidential notes using authenticated AES-256-GCM encryption with password key derivation.

Privacy Guaranteed • Fast Execution

ℹ

Tool Instructions & Quick Guide

AES-256 Text Encryption & Decryption

Enter your sensitive text and choose a secret password. Click "Encrypt" to produce secure AES-256 ciphertext. To read an encrypted message, paste the ciphertext, enter the password, and click "Decrypt".

Secret Password / Passphrase:

Input Text

Cryptographic Output

How to use AES-256 Text Encryption & Decryption Online

1

Enter Text and Secret Key

Type or paste the message into the input field and set a secret password.
2

Select Encrypt or Decrypt

Click "Encrypt" to lock the message or "Decrypt" to reveal an existing ciphertext.
3

Review Cryptographic Output

The result is formatted as a secure Base64 cipher container.
4

Copy Secure Result

Copy the encrypted payload to safely share via chat, email, or cloud notes.

Key Features of AES-256 Text Encryption & Decryption

✓ Military-grade AES-256 encryption standard

✓ PBKDF2 key derivation from user password

✓ Client-side zero-knowledge security inside your browser

✓ One-click encryption and decryption switching

✓ Copy protected ciphertext directly to clipboard

Common Professional Use Cases

Sharing credentials or API secrets safely via insecure messengers Encrypting sensitive private notes before saving to cloud storage Protecting confidential business communication