Privacy All tools run entirely in your browser.

Encrypt Online

Encrypt text, strings, JSON, YAML, config files and more!

SetupChoose encryption type and run
Select an algorithm and encrypt to see the output.
Enter input text and a passphrase to enable encryption.
AES-256-CBC3DESBrowser-only
Encrypt Online Encryption Tool

Use this encrypt online tool to encrypt text, strings, JSON, YAML, and config data directly in your browser. Choose an algorithm, enter a passphrase, and get an encrypted result in seconds.

How do I use this tool?
  1. Select the encryption type (AES-256-CBC or 3DES).
  2. Paste the text you want to encrypt.
  3. Enter a passphrase to secure the data.
  4. Click "Encrypt" and copy the output on the right.
What algorithms does Encrypt Online support?

This tool supports AES-256-CBC and 3DES encryption.

How do I decrypt my encrypted value?

Use the Decrypt Tool with the same passphrase.

What type of input can be encrypted?

You can encrypt any text value, including:

  • Text
  • Strings
  • JSON
  • YAML
  • Config files
  • Logs and API payloads
Common Use Cases for Encryption

Use encryption to protect sensitive notes, credentials, and private links before sharing them.

Where can I learn more about Encryption?

Encryption converts readable data into ciphertext so only someone with the right key can recover it. It is a core security practice for protecting data at rest and in transit.

How can I Base64 encode my data?

Use the Base64 Encode tool when you need text-safe encoding without encryption.

FAQ
Does this tool store my data?

No. Encryption runs entirely in your browser and inputs are not stored on a server.

Which algorithms are supported?

AES-256-CBC and 3DES are supported on this page.

What do I need to decrypt later?

Use the same algorithm and passphrase with the Decrypt Tool.

EO
Developed by the Encrypt-Online Team, a group of dedicated web development and security experts committed to providing top-notch web tools. Learn more about our mission and values on our About Us page.