AES Encrypt/Decrypt

Encrypt and decrypt text with AES-GCM — password-based

🔒 Files never leave your browser

Password / Key

Password is used with PBKDF2 (100k iterations) to derive an AES-256-GCM key.

Plaintext Input

Encrypted Output (Base64)

How to Use AES Encrypt/Decrypt

Enter text

Type or paste the text to encrypt or encrypted text to decrypt.

Enter password

Provide a password for encryption/decryption.

Encrypt or decrypt

Click Encrypt or Decrypt to process.

Why Choose AllTools AES Encrypt/Decrypt?

✓ 100% free, no account needed
✓ AES-GCM encryption
✓ PBKDF2 key derivation
✓ Show/hide password
✓ Base64 output
✓ No data stored or transmitted

Related Resources

Generate secure hashes → Generate encryption keys → Encode data as Base64 → Generate RSA key pairs →

Frequently Asked Questions

Is this secure? ▼

Yes. Uses AES-GCM (256-bit) with PBKDF2 key derivation — industry-standard encryption via Web Crypto API.

Is my data private? ▼

Yes. All encryption/decryption happens in your browser. Nothing leaves your device.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Is my data secure? ▼

Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.

Guides

Free Local Password Manager — Encrypted, No Account, No Cloud

Store passwords locally in your browser with AES encryption. No account, no cloud sync, no uploads. 100% private.

March 24, 2026 →

Tutorials

How to Generate Strong Passwords — Free, Private, Browser-Based

Generate strong, random passwords in your browser. Custom length, symbols, memorable passphrases. No server, no account.

March 24, 2026 →

Guides

How to Generate Secure Passwords in 2026

Create strong passwords, passphrases, and PINs in your browser. Uses Web Crypto API. No data stored, no account needed.

March 22, 2026 →

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