Uvlio

Command Palette

Search for a command to run...

Back to Tools/Developerlocal

AES / DES Encryption Tool

Encrypt or decrypt short text with AES, DES or 3DES in the browser, with selectable block mode, padding, IV and output format.

Local

Runs locally in your browser by default — nothing is uploaded first.

Input

Algorithm
Block mode
Padding
Cipher format
Key format
Secret key
Initialization vector (IV)
Plain text or cipher text

Result

Waiting for cipher input
Enter a key and some text

Choose encrypt or decrypt, then review the output on the right.

AES / DES Encryption Tool runs locally in your browser by default, so you can work with the content without uploading it first.

Encrypt or decrypt short text with AES or DES in the browser for quick testing, demos and format checks.

  • Test a shared secret quickly
  • Preview how browser-side encryption output looks
  • Check whether a short cipher text can be decoded with a given key

Does AES / DES Encryption Tool run locally or in the cloud?

AES / DES Encryption Tool runs locally in your browser by default, so you can work with the content without uploading it first.

What usually comes after AES / DES Encryption Tool?

A common next step is to continue into related workflows such as Code and Data Formatting Tools.

Is hashing the same as encryption?

No. Hashes are one-way digests. Encryption is reversible with a key.

Encryption Basics in the Browser: Hashing, Symmetric Keys and What Stays Local

Hashing is not encryption. Symmetric encryption needs a secret both sides share. What browser-side crypto can and cannot protect.

collectionCode and Data Formatting ToolscollectionCryptography and Security Tools

About AES / DES Encryption Tool

Encrypt or decrypt short text with AES or DES in the browser for quick testing, demos and format checks.

Common use cases

  • Test a shared secret quickly
  • Preview how browser-side encryption output looks
  • Check whether a short cipher text can be decoded with a given key

How to use

  1. Choose encrypt or decrypt mode and select AES or DES.
  2. Enter the secret key and input text.
  3. Review the output and copy the result if needed.

Browse all Developer tools · All tools · Related guide