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Codec: avc1.641434
84.4% Encoder Support
52,953 of 62,740 sessions supported encoding
99.93% Decoder Support
11,903 of 11,911 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
5.2 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 62,740 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.09%
27,418 / 27,671
|
99.91%
4,371 / 4,375
|
— |
96.11%
11,699 / 12,173
|
97.5%
1,521 / 1,560
|
 Safari |
— |
1.6%
26 / 1,623
|
1.47%
102 / 6,938
|
— |
— |
 Edge |
99.78%
4,922 / 4,933
|
100.0%
47 / 47
|
— |
96.91%
94 / 97
|
100.0%
11 / 11
|
 Firefox |
95.01%
2,131 / 2,243
|
100.0%
294 / 294
|
— |
0.0%
0 / 10
|
98.26%
282 / 287
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,911 test sessions. Decoder data collection started Jan 2026.