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Codec: avc1.4d0c33
84.49% Encoder Support
53,142 of 62,894 sessions supported encoding
99.93% Decoder Support
11,819 of 11,827 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
5.1 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 62,894 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.14%
27,308 / 27,545
|
99.95%
4,315 / 4,317
|
— |
97.36%
11,847 / 12,168
|
98.23%
1,557 / 1,585
|
 Safari |
— |
2.35%
39 / 1,661
|
1.84%
130 / 7,076
|
— |
— |
 Edge |
99.78%
5,063 / 5,074
|
100.0%
41 / 41
|
— |
100.0%
97 / 97
|
100.0%
11 / 11
|
 Firefox |
95.42%
2,148 / 2,251
|
100.0%
269 / 269
|
— |
0.0%
0 / 11
|
99.3%
282 / 284
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,827 test sessions. Decoder data collection started Jan 2026.