The Crypto.subtle read-only property returns a SubtleCrypto object allowing to perform cryptographical operations.

Syntax

var crypto = crypto.subtle;

Specifications

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

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
Experimental
Chrome Full support 37Edge Full support 12Firefox Full support 34
Full support 34
No support 32 — 34
Disabled
Disabled From version 32 until version 34 (exclusive): this feature is behind the dom.webcrypto.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE Partial support 11Opera Full support 24Safari Full support 10.1
Full support 10.1
Full support 7
Prefixed
Prefixed Requires the vendor prefix: webkit
WebView Android Full support 37Chrome Android Full support 37Edge Mobile Full support 12Firefox Android Full support 34
Full support 34
No support 32 — 34
Disabled
Disabled From version 32 until version 34 (exclusive): this feature is behind the dom.webcrypto.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android Full support 24Safari iOS Full support 10.1
Full support 10.1
Full support 7
Prefixed
Prefixed Requires the vendor prefix: webkit
Samsung Internet Android Full support Yes

Legend

Full support  
Full support
Partial support  
Partial support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.
Requires a vendor prefix or different name for use.
Requires a vendor prefix or different name for use.

See also

Document Tags and Contributors

Last updated by: fscholz,