Crypto: subtle property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

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

Note: This feature is available in Web Workers.

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

Value

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

Specifications

Specification
Web Cryptography API
# Crypto-attribute-subtle

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
subtle
Secure context required

See also