Encrypted media extensionsBaseline · Widely available

The mediaKeys property of HTMLMediaElement and the navigator.requestMediaKeySystemAccess() method control the playback of content subject to digital rights management. Also known as EME.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Mar 25, 2019. Widely available since Sep 25, 2021.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–41Not supported

42+Supportedsince Apr 14, 2015

Current: 155

Edge

12–12Not supported

13+Supportedsince Nov 12, 2015

Current: 154

Firefox

1–37Not supported

38+Supportedsince May 12, 2015

Current: 157

Safari

1–12Not supported

12.1+Supportedsince Mar 25, 2019

Current: 27

MobileChrome Android

18–41Not supported

42+Supportedsince Apr 15, 2015

Current: 155

Firefox Android

4–37Not supported

38+Supportedsince May 12, 2015

Current: 157

Safari iOS

1–12Not supported

12.2+Supportedsince Mar 25, 2019

Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: encrypted event.

Feature detection

JS · check before using

if ("MediaEncryptedEvent" in globalThis) {
  // MediaEncryptedEvent is available
} else {
  // load a polyfill or use a fallback
}

Documentation (MDN)

Specification

w3c.github.io/encrypted-media ↗

Usage share

caniuse.com/eme ↗

Sub-features

Support for each part of the feature (45). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
HTMLMediaElement.encrypted_event	42	13	38	12.1	42	38	12.2
HTMLMediaElement.mediaKeys	42	13	38	12.1	42	38	12.2
HTMLMediaElement.setMediaKeys	42	13	38	12.1	42	38	12.2
HTMLMediaElement.waitingforkey_event	55	79	133	12.1	55	133	12.2
MediaCapabilities.decodingInfo.configuration_parameter.keySystemConfiguration	80	80	129	✕	80	129	✕
MediaEncryptedEvent	42	13	38	12.1	42	38	12.2
MediaEncryptedEvent.MediaEncryptedEvent	42	13	38	12.1	42	38	12.2
MediaEncryptedEvent.initData	42	13	38	12.1	42	38	12.2
MediaEncryptedEvent.initDataType	42	13	38	12.1	42	38	12.2
MediaKeyMessageEvent	42	13	38	12.1	42	38	12.2
MediaKeyMessageEvent.MediaKeyMessageEvent	42	13	38	12.1	42	38	12.2
MediaKeyMessageEvent.message	42	13	38	12.1	42	38	12.2
MediaKeyMessageEvent.messageType	42	13	38	12.1	42	38	12.2
MediaKeySession	42	13	38	12.1	42	38	12.2
MediaKeySession.close	42	13	38	12.1	42	38	12.2
MediaKeySession.closed	42	13	38	12.1	42	38	12.2
MediaKeySession.expiration	42	13	38	12.1	42	38	12.2
MediaKeySession.generateRequest	42	13	38	12.1	42	38	12.2
MediaKeySession.keyStatuses	42	13	38	12.1	42	38	12.2
MediaKeySession.keystatuseschange_event	55	79	52	12.1	55	52	12.2

Show 25 more

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
MediaKeySession.load	42	13	38	12.1	42	38	12.2
MediaKeySession.message_event	55	79	52	12.1	55	52	12.2
MediaKeySession.remove	42	13	38	12.1	42	38	12.2
MediaKeySession.sessionId	42	13	38	12.1	42	38	12.2
MediaKeySession.update	42	13	38	12.1	42	38	12.2
MediaKeyStatusMap	42	13	38	12.1	42	38	12.2
MediaKeyStatusMap.@@iterator	42	16	45	12.1	42	45	12.2
MediaKeyStatusMap.entries	42	16	38	12.1	42	38	12.2
MediaKeyStatusMap.forEach	42	13	47	12.1	42	47	12.2
MediaKeyStatusMap.get	42	13	45	12.1	42	45	12.2
MediaKeyStatusMap.has	42	13	45	12.1	42	45	12.2
MediaKeyStatusMap.keys	42	16	38	12.1	42	38	12.2
MediaKeyStatusMap.size	42	13	38	12.1	42	38	12.2
MediaKeyStatusMap.values	42	16	38	12.1	42	38	12.2
MediaKeySystemAccess	42	13	38	12.1	42	38	12.2
MediaKeySystemAccess.createMediaKeys	42	13	38	12.1	42	38	12.2
MediaKeySystemAccess.getConfiguration	42	13	43	12.1	42	43	12.2
MediaKeySystemAccess.keySystem	42	13	38	12.1	42	38	12.2
MediaKeys	42	13	38	12.1	42	38	12.2
MediaKeys.createSession	42	13	38	12.1	42	38	12.2
MediaKeys.getStatusForPolicy	73	79	128	✕	73	128	✕
MediaKeys.setServerCertificate	42	13	38	12.1	42	38	12.2
Navigator.requestMediaKeySystemAccess	42	13	38	12.1	42	38	12.2
iframe.allow.encrypted-media	64	79	74	✕	64	79	✕
http.headers.Permissions-Policy.encrypted-media	88	88	✕	✕	88	✕	✕