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Codec: avc1.640416
86.25% Encoder Support
277,382 of 321,616 sessions supported encoding
99.93% Decoder Support
270,198 of 270,382 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
2.2 |
| Maximum Resolution |
SD/DVD (720×480) |
| Maximum Bitrate |
4 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 321,616 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.27%
143,706 / 144,756
|
99.85%
19,665 / 19,695
|
— |
96.33%
61,265 / 63,599
|
97.17%
7,620 / 7,842
|
 Safari |
— |
1.87%
161 / 8,614
|
1.46%
457 / 31,378
|
— |
— |
 Edge |
99.83%
31,064 / 31,117
|
99.73%
372 / 373
|
— |
98.77%
963 / 975
|
98.21%
55 / 56
|
 Firefox |
96.0%
9,356 / 9,746
|
100.0%
1,307 / 1,307
|
— |
0.0%
0 / 34
|
98.86%
1,300 / 1,315
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,382 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,976 / 122,007
|
99.88%
16,090 / 16,109
|
— |
99.99%
53,753 / 53,757
|
98.93%
6,553 / 6,624
|
 Safari |
— |
99.89%
7,180 / 7,188
|
99.99%
25,705 / 25,707
|
— |
— |
 Edge |
100.0%
27,181 / 27,181
|
100.0%
331 / 331
|
— |
100.0%
914 / 914
|
98.04%
50 / 51
|
 Firefox |
100.0%
7,941 / 7,941
|
100.0%
1,061 / 1,061
|
— |
0.0%
0 / 28
|
99.54%
1,088 / 1,093
|