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Codec: avc1.42143e
87.25% Encoder Support
280,695 of 321,716 sessions supported encoding
87.79% Decoder Support
237,392 of 270,419 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Baseline |
| Level |
6.2 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
800 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 321,716 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.81%
144,577 / 144,852
|
99.82%
19,634 / 19,669
|
— |
99.67%
63,617 / 63,826
|
98.37%
7,654 / 7,781
|
 Safari |
— |
2.26%
193 / 8,551
|
1.58%
494 / 31,332
|
— |
— |
 Edge |
99.97%
31,055 / 31,063
|
100.0%
388 / 388
|
— |
99.89%
945 / 946
|
98.21%
55 / 56
|
 Firefox |
95.93%
9,446 / 9,847
|
100.0%
1,304 / 1,304
|
— |
0.0%
0 / 34
|
98.5%
1,246 / 1,265
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,419 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.95%
122,190 / 122,250
|
99.8%
15,959 / 15,991
|
— |
99.87%
53,717 / 53,787
|
98.44%
6,438 / 6,540
|
 Safari |
— |
2.23%
160 / 7,168
|
1.53%
393 / 25,753
|
— |
— |
 Edge |
99.97%
27,066 / 27,074
|
100.0%
354 / 354
|
— |
100.0%
876 / 876
|
100.0%
50 / 50
|
 Firefox |
99.9%
8,022 / 8,030
|
99.81%
1,076 / 1,078
|
— |
0.0%
0 / 21
|
99.32%
1,029 / 1,036
|