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FIDO U2F API

JavaScript API to interact with Universal Second Factor (U2F) devices. This allows users to log into sites more securely using two-factor authentication with a USB dongle.

Spec	https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-javascript-api.html
Status	Unofficial / Note

IE	Edge	Firefox	Chrome	Safari	Opera
		147	144
		146	143	TP
		145	142	26.1
11	141	144	141	26.0	122 ⁽³⁾
10	140	143	140	18.5-18.6	121 ⁽³⁾
9	139	142	139	18.4	120 ⁽³⁾
8	138	141	138	18.3	119 ⁽³⁾
Show all
7	137	140	137	18.2	118 ⁽³⁾
6	136	139	136	18.1	117 ⁽³⁾
5.5	135	138	135	18.0	116 ⁽³⁾
	134	137	134	17.6	115 ⁽³⁾
	133	136	133	17.5	114 ⁽³⁾
	132	135	132	17.4	113 ⁽³⁾
	131	134	131	17.3	112 ⁽³⁾
	130	133	130	17.2	111 ⁽³⁾
	129	132	129	17.1	110 ⁽³⁾
	128	131	128	17.0	109 ⁽³⁾
	127	130	127	16.6	108 ⁽³⁾
	126	129	126	16.5	107 ⁽³⁾
	125	128	125	16.4	106 ⁽³⁾
	124	127	124	16.3	105 ⁽³⁾
	123	126	123	16.2	104 ⁽³⁾
	122	125	122	16.1	103 ⁽³⁾
	121	124	121	16.0	102 ⁽³⁾
	120	123	120	15.6	101 ⁽³⁾
	119	122	119	15.5	100 ⁽³⁾
	118	121	118	15.4	99 ⁽³⁾
	117	120	117	15.2-15.3	98 ⁽³⁾
	116	119	116	15.1	97 ⁽³⁾
	115	118	115	15	96 ⁽³⁾
	114	117	114	14.1	95 ⁽³⁾
	113	116	113	14	94 ⁽³⁾
	112	115	112	13.1	93 ⁽³⁾
	111	114	111	13	92 ⁽³⁾
	110	113 ⁽²⁾	110	12.1	91 ⁽³⁾
	109	112 ⁽²⁾	109	12	90 ⁽³⁾
	108	111	108	11.1	89 ⁽³⁾
	107	110	107	11	88 ⁽³⁾
	106	109	106	10.1	87 ⁽³⁾
	105 ⁽³⁾	108	105 ⁽³⁾	10	86 ⁽³⁾
	104 ⁽³⁾	107	104 ⁽³⁾	9.1	85 ⁽³⁾
	103 ⁽³⁾	106	103 ⁽³⁾	9	84 ⁽³⁾
	102 ⁽³⁾	105	102 ⁽³⁾	8	83 ⁽³⁾
	101 ⁽³⁾	104	101 ⁽³⁾	7.1	82 ⁽³⁾
	100 ⁽³⁾	103	100 ⁽³⁾	7	81 ⁽³⁾
	99 ⁽³⁾	102	99 ⁽³⁾	6.1	80 ⁽³⁾
	98 ⁽³⁾	101	98 ⁽³⁾	6	79 ⁽³⁾
	97 ⁽³⁾	100	97 ⁽³⁾	5.1	78 ⁽³⁾
	96 ⁽³⁾	99	96 ⁽³⁾	5	77 ⁽³⁾
	95 ⁽³⁾	98	95 ⁽³⁾	4	76 ⁽³⁾
	94 ⁽³⁾	97	94 ⁽³⁾	3.2	75 ⁽³⁾
	93 ⁽³⁾	96	93 ⁽³⁾	3.1	74 ⁽³⁾
	92 ⁽³⁾	95	92 ⁽³⁾		73 ⁽³⁾
	91 ⁽³⁾	94	91 ⁽³⁾		72 ⁽³⁾
	90 ⁽³⁾	93	90 ⁽³⁾		71 ⁽³⁾
	89 ⁽³⁾	92	89 ⁽³⁾		70 ⁽³⁾
	88 ⁽³⁾	91	88 ⁽³⁾		69 ⁽³⁾
	87 ⁽³⁾	90	87 ⁽³⁾		68 ⁽³⁾
	86 ⁽³⁾	89	86 ⁽³⁾		67 ⁽³⁾
	85 ⁽³⁾	88	85 ⁽³⁾		66 ⁽³⁾
	84 ⁽³⁾	87	84 ⁽³⁾		65 ⁽³⁾
	83 ⁽³⁾	86	83 ⁽³⁾		64 ⁽³⁾
	81 ⁽³⁾	85	81 ⁽³⁾		63 ⁽³⁾
	80 ⁽³⁾	84	80 ⁽³⁾		62 ⁽³⁾
	79 ⁽³⁾	83	79 ⁽³⁾		60 ⁽³⁾
	18	82	78 ⁽³⁾		58 ⁽³⁾
	17	81	77 ⁽³⁾		57 ⁽³⁾
	16	80	76 ⁽³⁾		56 ⁽³⁾
	15	79	75 ⁽³⁾		55 ⁽³⁾
	14	78	74 ⁽³⁾		54 ⁽³⁾
	13	77	73 ⁽³⁾		53 ⁽³⁾
	12	76	72 ⁽³⁾		52 ⁽³⁾
		75	71 ⁽³⁾		51 ⁽³⁾
		74	70 ⁽³⁾		50 ⁽³⁾
		73	69 ⁽³⁾		49 ⁽³⁾
		72	68 ⁽³⁾		48 ⁽³⁾
		71	67 ⁽³⁾		47 ⁽³⁾
		70	66 ⁽³⁾		46 ⁽³⁾
		69	65 ⁽³⁾		45 ⁽³⁾
		68	64 ⁽³⁾		44 ⁽³⁾
		67	63 ⁽³⁾		43 ⁽³⁾
		66 ⁽²⁾	62 ⁽³⁾		42 ⁽³⁾
		65 ⁽²⁾	61 ⁽³⁾		41
		64 ⁽²⁾	60 ⁽³⁾		40 ⁽³⁾
		63 ⁽²⁾	59 ⁽³⁾		39
		62 ⁽²⁾	58 ⁽³⁾		38
		61 ⁽²⁾	57 ⁽³⁾		37
		60 ⁽²⁾	56 ⁽³⁾		36
		59 ⁽²⁾	55 ⁽³⁾		35
		58 ⁽²⁾	54 ⁽³⁾		34
		57 ⁽²⁾	53 ⁽³⁾		33
		56 ⁽²⁾	52 ⁽³⁾		32
		55 ⁽²⁾	51 ⁽³⁾		31
		54 ⁽²⁾	50 ⁽³⁾		30
		53 ⁽²⁾	49 ⁽³⁾		29
		52 ⁽²⁾	48 ⁽³⁾		28
		51 ⁽²⁾	47 ⁽³⁾		27
		50 ⁽²⁾	46 ⁽³⁾		26
		49 ⁽²⁾	45 ⁽³⁾		25
		48 ⁽²⁾	44 ⁽³⁾		24
		47 ⁽²⁾	43 ⁽³⁾		23
		46	42 ⁽³⁾		22
		45	41 ⁽³⁾		21
		44	40 ⁽¹⁾		20
		43	39 ⁽¹⁾		19
		42	38 ⁽¹⁾		18
		41	37		17
		40	36		16
		39	35		15
		38	34		12.1
		37	33		12
		36	32		11.6
		35	31		11.5
		34	30		11.1
		33	29		11
		32	28		10.6
		31	27		10.5
		30	26		10.0-10.1
		29	25		9.5-9.6
		28	24		9
		27	23
		26	22
		25	21
		24	20
		23	19
		22	18
		21	17
		20	16
		19	15
		18	14
		17	13
		16	12
		15	11
		14	10
		13	9
		12	8
		11	7
		10	6
		9	5
		8	4
		7
		6
		5
		4
		3.6
		3.5
		3
		2

Safari on iOS	Opera Mini	Android Browser	Blackberry Browser	Opera Mobile	Android Chrome	Android Firefox	IE Mobile	Android UC Browser	Samsung Internet	QQ Browser	Baidu Browser	KaiOS Browser
26.1
26.0	all	141	10	80	141	143	11	15.5	28	14.9	13.52	3.0-3.1
18.5-18.6		4.4.3-4.4.4	7	12.1			10		27			2.5 ⁽²⁾
18.4		4.4		12					26
18.3		4.2-4.3		11.5					25
Show all
18.2		4.1		11.1					24
18.1		4		11					23
18.0		3		10					22
17.6-17.7		2.3							21
17.5		2.2							20
17.4		2.1							19.0
17.3									18.0
17.2									17.0
17.1									16.0
17.0									15.0
16.6-16.7									14.0
16.5									13.0
16.4									12.0
16.3									11.1-11.2
16.2									10.1
16.1									9.2
16.0									8.2
15.6-15.8									7.2-7.4
15.5									6.2-6.4
15.4									5.0-5.4
15.2-15.3									4
15.0-15.1
14.5-14.8
14.0-14.4
13.4-13.7
13.3
13.2
13.0-13.1
12.2-12.5
12.0-12.1
11.3-11.4
11.0-11.2
10.3
10.0-10.2
9.3
9.0-9.2
8.1-8.4
8
7.0-7.1
6.0-6.1
5.0-5.1
4.2-4.3
4.0-4.1
3.2

Notes

The U2F API is being decommissioned (only the API, not the U2F protocol) and superseded by WebAuthn.

Requires the "FIDO U2F (Universal 2nd Factor)" Chrome extension
Support can be enabled with the security.webauth.u2f flag
Supported via the internal CryptoTokenExtension.

Resources

Data by caniuse.com
Licensed under the Creative Commons Attribution License v4.0.
https://caniuse.com/u2f