AES Encrypt
Encrypt and decrypt text with AES-GCM using a passphrase
About AES Encrypt
AES Encrypt lets you encrypt and decrypt text with aes-gcm using a passphrase.
Category: Encoding.
Frequently asked questions
What is AES?
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Advanced Encryption Standard — a symmetric block cipher adopted by NIST in 2001. It is the most widely used encryption algorithm in the world, used in TLS, file encryption, disk encryption, and VPNs.
What is the difference between AES-128, AES-192, and AES-256?
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The number refers to the key length in bits. AES-256 is the strongest and recommended for new applications. AES-128 is faster and still secure for most purposes. AES-192 is rarely used.
What is CBC vs GCM mode?
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CBC (Cipher Block Chaining) encrypts but does not authenticate — an attacker could tamper with ciphertext undetected. GCM (Galois/Counter Mode) provides authenticated encryption — it detects tampering. Always prefer GCM for new code.