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Codec: avc1.4d0433
86.53% Encoder Support
276,816 of 319,918 sessions supported encoding
99.93% Decoder Support
268,691 of 268,872 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 319,918 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.29%
142,854 / 143,871
|
99.83%
19,837 / 19,871
|
— |
97.54%
62,024 / 63,591
|
97.96%
7,449 / 7,604
|
 Safari |
— |
1.79%
153 / 8,555
|
1.48%
462 / 31,121
|
— |
— |
 Edge |
99.76%
30,704 / 30,777
|
100.0%
379 / 379
|
— |
98.95%
940 / 950
|
96.88%
62 / 64
|
 Firefox |
96.12%
9,288 / 9,663
|
100.0%
1,301 / 1,301
|
— |
0.0%
0 / 41
|
98.29%
1,263 / 1,285
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 268,872 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.98%
121,435 / 121,465
|
99.86%
16,133 / 16,156
|
— |
99.99%
53,567 / 53,574
|
99.11%
6,372 / 6,429
|
 Safari |
— |
99.92%
7,172 / 7,178
|
99.98%
25,569 / 25,574
|
— |
— |
 Edge |
100.0%
26,765 / 26,766
|
100.0%
342 / 342
|
— |
100.0%
872 / 872
|
98.33%
59 / 60
|
 Firefox |
100.0%
7,899 / 7,899
|
100.0%
1,071 / 1,071
|
— |
0.0%
0 / 26
|
99.05%
1,038 / 1,048
|