AES Encryption – Free Online Tool

AES Encryption Tool
Input Text
Enter Password
AES Encrypted Output

AES Encryption (Advanced Encryption Standard) is a widely used method for securing data. It is fast, reliable, and safeguards sensitive data globally. AES employs symmetric encryption; data is encrypted and decrypted using the same key.

Why Use AES Encryption?

  • Fast and Efficient: Outpaces other encryption methods.
  • Strong Security: Provides 128-bit, 192-bit, and 256-bit encryption- the greater the number, the stronger the defense.
  • Widely Used: Trusted by banks, governments, and tech companies.

How AES Encryption Functions

With AES encryption, data is split into blocks of a fixed size of 128 bits, which are then encrypted using a secret key. Depending on your needs, different encryption modes are available, each having advantages:

Supported AES Encryption Modes

  • ECB (Electronic Codebook)
  • Simplest mode (IV is not required).
  • Not the strongest security — duplicate data blocks will produce duplicate encrypted blocks.

CBC (Cipher Block Chaining)

  • More secure than ECB.
  • Uses an IV to ensure uniqueness for each encryption.
  • Generally the preferred choice.

CTR (Counter Mode)

  • Converts block encryption to a stream cipher.
  • Enables faster and parallel processing.

GCM (Galois/Counter Mode)

  • This option is the most secure.
  • Offers additional security due to built in authentication.
  • Used in high security needs.

How Can I Use AES Encryption Online?

Open the Tool

AES Encryption - Free Online Tool

Enter Your Data

  • Type or paste the text you want to encrypt in the provided box.
AES Encryption - Free Online Tool

Set a Secret Key

  • Choose a password/key. Only the person with this key can decrypt your message.
AES Encryption - Free Online Tool

Click Encrypt

  • Press the Encrypt button, and the tool will instantly generate your encrypted text.
AES Encryption - Free Online Tool

Copy & Share Securely

  • Copy the encrypted result and share it safely with others.
AES Encryption - Free Online Tool

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