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Codec: avc1.640833
84.48% Encoder Support
53,359 of 63,159 sessions supported encoding
99.9% Decoder Support
11,919 of 11,931 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
5.1 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 63,159 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.15%
27,574 / 27,809
|
99.96%
4,462 / 4,464
|
— |
96.18%
11,823 / 12,292
|
97.47%
1,581 / 1,622
|
 Safari |
— |
2.27%
37 / 1,631
|
1.7%
119 / 6,999
|
— |
— |
 Edge |
99.84%
4,901 / 4,909
|
97.73%
43 / 44
|
— |
96.61%
114 / 118
|
90.0%
9 / 10
|
 Firefox |
95.18%
2,073 / 2,178
|
100.0%
291 / 291
|
— |
0.0%
0 / 11
|
99.31%
289 / 291
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,931 test sessions. Decoder data collection started Jan 2026.