Military-Grade AES-256 (Web Crypto API)

Text AES-256 Encrypt & Decrypt Studio Pro

Q: If I forget my password, can anyone recover my text?

No. This uses mathematically rigorous AES-256 encryption with zero backdoors. Without the exact passphrase, the ciphertext is permanently unrecoverable.

Q: Is my data stored on PhuDuy Tools servers?

No. All operations run 100% in local browser memory via Web Crypto API with zero remote server logging.

Encrypt confidential messages, passwords, and sensitive notes using AES-GCM 256-bit with PBKDF2 key derivation. Processed 100% in local browser memory with zero server logs.

Plaintext / Secret Message to Encrypt

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Encryption Passphrase / Secret Key

Passphrase Strength:

Cryptographic Parameters

Cipher Algorithm: AES-GCM-256

Key Derivation: PBKDF2 (100,000 iter)

Salt & IV: 16-byte Salt + 12-byte IV

Output Format:

✓ Encrypted Successfully

Important Notice: Memorize or securely store your passphrase! Because of the Zero-Knowledge client-side architecture, if you lose your passphrase, nobody can recover your original text.

Why Client-Side Web Crypto API Encryption is the Safest Choice

When sharing recovery seeds, credentials, private conversations, or confidential contracts over email or messaging platforms, unencrypted plaintext passes through intermediate cloud servers. If any server in the transit pipeline is compromised or subpoenaed, your privacy is compromised.

PhuDuy Tools Text AES-256 Encryptor leverages the native browser Web Crypto API executing AES-GCM 256-bit with PBKDF2 key derivation (100,000 SHA-256 rounds, 16-byte cryptographically secure salt, and 12-byte IV). Plaintext and private passphrases never leave local device memory.

3 Easy Steps to Encrypt & Safely Share Messages

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1. Enter Confidential Text

Type or paste private credentials, API tokens, or personal notes.

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2. Set Strong Passphrase

Enter a secret key or click generate. Only recipients with this key can decrypt.

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3. Copy Ciphertext & Transmit

Copy ASCII Armor block or download .enc file. Transmit safely across any channel.

Comparison: Native AES-GCM 256 vs Cloud Encryption Services

Feature	PhuDuy Text Encryptor	Traditional Online Tools
Processing Location	100% Client-Side RAM	Uploaded to remote servers
Cipher Standard	AES-GCM 256-bit + PBKDF2 (100k rounds)	AES-CBC cũ / DES / MD5
Tamper Resistance (MAC)	Yes (Built-in GCM Auth Tag)	No (Vulnerable to bit-flipping)
Server Logging	Zero Logs (Zero backend)	Stored in database logs

Frequently Asked Questions (FAQ)

If I forget my password, can anyone recover my text? ▼

Absolutely not. This uses mathematically rigorous AES-256 encryption with zero backdoors. Without the exact passphrase, the ciphertext is indistinguishable from random noise.

Is my data stored on PhuDuy Tools servers? ▼

No. All operations run 100% in local memory via the Web Crypto API. No payload or keys are ever sent across the wire. You can disconnect your internet and the tool continues to function.

Why does encrypting the same text produce different ciphertexts each time? ▼

This is a cryptographic best practice. Every encryption run generates a fresh cryptographically secure random Salt (16 bytes) and Initialization Vector (12 bytes), completely eliminating replay and rainbow table attacks.

Ecosystem