Secure context

This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The Crypto.subtle read-only property returns a SubtleCrypto which can then be used to perform low-level cryptographic operations.


var crypto = crypto.subtle;


A SubtleCrypto object you can use to interact with the Web Crypto API's low-level cryptography features.


Specification Status Comment
Web Cryptography API
The definition of 'Crypto.subtle' in that specification.
Recommendation Initial definition.

Browser compatibility

BCD tables only load in the browser

See also