AV1 video format

AV1 (AOMedia Video 1) is a royalty-free video format by the Alliance for Open Media, meant to succeed its predecessor VP9 and compete with the HEVC/H.265 format.

Other: https://github.com/AOMediaCodec/av1-spec

Usage: 79% + 11.7% = 90.6%

Support summary

IE: Not supported
Edge: 121, available but disabled by default since 18, notes for version 18₁
Firefox: 67, partial since 65, available but disabled by default since 55, notes for version 65₂, notes for version 66₃
Chrome: 70, available but disabled by default since 67
Safari: partial since 17.0, notes for version 17.0₄
Opera: 57
Safari on iOS: partial since 17.0, notes for version 17.0₄
Opera Mini: Not supported
Android Browser: 124
Blackberry Browser: Not supported
Opera Mobile: 80
Chrome for Android: 124
Firefox for Android: 125
IE Mobile: Not supported
UC Browser for Android: 15.5
Samsung Internet: 12.0
QQ Browser: 14.9
Baidu Browser: 13.52
KaiOS Browser: Not supported

Notes

Edge has stopped supporting AV1 completely at some point prior to version 116 (additional information required).

Can be enabled in Edge on Windows 10 or later by installing the AV1 Video Extension from the Microsoft Store ↑
Firefox 65 only supported AV1 on Windows 64-bit ↑
Firefox 66 only supported AV1 on Windows and macOS ↑
Supported only on devices with hardware decoder, e.g. iPhone 15 Pro, M3 MacBook Pro, etc. ↑

Full support table

IE

5.5	6	7	8	9	10	11
n	n	n	n	n	n	n

Edge

12	13	14	15	16	17	18	79	80	81	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124
n	n	n	n	n	n	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n	n	n	n	n	y	y	y	y

Firefox

2	3	3.5	3.6	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127	128
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	n,d	a	a	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y

Chrome

4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n,d	n,d	n,d	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y

Safari

3.1	3.2	4	5	5.1	6	6.1	7	7.1	8	9	9.1	10	10.1	11	11.1	12	12.1	13	13.1	14	14.1	15	15.1	15.2-15.3	15.4	15.5	15.6	16.0	16.1	16.2	16.3	16.4	16.5	16.6	17.0	17.1	17.2	17.3	17.4	17.5	TP
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	a	a	a	a	a	a	a

Opera

9	9.5-9.6	10.0-10.1	10.5	10.6	11	11.1	11.5	11.6	12	12.1	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	60	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y	y

Safari on iOS

3.2	4.0-4.1	4.2-4.3	5.0-5.1	6.0-6.1	7.0-7.1	8	8.1-8.4	9.0-9.2	9.3	10.0-10.2	10.3	11.0-11.2	11.3-11.4	12.0-12.1	12.2-12.5	13.0-13.1	13.2	13.3	13.4-13.7	14.0-14.4	14.5-14.8	15.0-15.1	15.2-15.3	15.4	15.5	15.6-15.8	16.0	16.1	16.2	16.3	16.4	16.5	16.6-16.7	17.0	17.1	17.2	17.3	17.4	17.5
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	a	a	a	a	a	a

Opera Mini

all
n

Android Browser

2.1	2.2	2.3	3	4	4.1	4.2-4.3	4.4	4.4.3-4.4.4	124
n	n	n	n	n	n	n	n	n	y

Blackberry Browser

7	10
n	n

Opera Mobile

10	11	11.1	11.5	12	12.1	80
n	n	n	n	n	n	y

Chrome for Android

124
y

Firefox for Android

125
y

IE Mobile

10	11
n	n

UC Browser for Android

15.5
y

Samsung Internet

4	5.0-5.4	6.2-6.4	7.2-7.4	8.2	9.2	10.1	11.1-11.2	12.0	13.0	14.0	15.0	16.0	17.0	18.0	19.0	20	21	22	23	24
n	n	n	n	n	n	n	n	y	y	y	y	y	y	y	y	y	y	y	y	y

QQ Browser

14.9
y

Baidu Browser

13.52
y

KaiOS Browser

2.5	3.0-3.1
n	n

y = supported
a = partially supported, see notes
x = supported with a prefix, e.g. moz, webkit
p = supported with a polyfill
d = available but disabled by default; the feature need to be enabled in about:config, chrome://flags, etc.
n = not supported
u = unknown/untested

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