AES Encryption & Decryption Tool

Runs in your browser — nothing is uploaded

Passphrase

Plaintext

Ciphertext (Base64)

Enter a passphrase and plaintext, then click Encrypt.

Passphrase

Ciphertext (Base64)

Plaintext

Enter a passphrase and ciphertext, then click Decrypt.

About this tool

Encryption/decryption uses AES-256-GCM with a PBKDF2-derived key, entirely in your browser via the Web Crypto API. Your passphrase and plaintext are never sent to our servers — and there's no way to recover data if you lose the passphrase, since we never see it.

Frequently asked questions

What is AES Encryption & Decryption Tool?

Encrypt/decrypt text with common ciphers. It is one of the Security & Crypto tools on MyCodeTips.

How do I use AES Encryption & Decryption Tool?

Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.

Is AES Encryption & Decryption Tool free to use?

Yes. It is free to use and does not need an account.

Is my data safe with AES Encryption & Decryption Tool?

Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.

Can I share my result?

Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.