Overview
Crypto Tool is an easy and free online tool that runs in your browser.
Encrypt and decrypt text and files securely
Free encryption and decryption tool - Encrypt and decrypt text and files using AES encryption. Secure and easy to use online.
Security
This browser-based tool is designed to be fast, easy to use, and private by default. Open the tool, adjust the settings, and get results instantly without creating an account or sending files to a server.
Everything runs locally in the browser whenever possible, which reduces friction for users and makes the page more useful as a direct-answer landing page from search.
The following topics are closely related to this tool and help explain what it is for:
It uses the browser Web Crypto API (AES-256-GCM) for password-based encryption.
Yes. Switch the mode to encrypt/decrypt text or files.
Encrypted output can be copied/downloaded for text, or downloaded as an encrypted file.