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Codec: avc1.64003c
86.26% Encoder Support
276,414 of 320,432 sessions supported encoding
87.79% Decoder Support
236,391 of 269,280 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
6 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,432 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.24%
142,986 / 144,074
|
99.74%
19,765 / 19,816
|
— |
96.29%
61,193 / 63,552
|
97.22%
7,305 / 7,514
|
 Safari |
— |
2.16%
184 / 8,524
|
1.49%
466 / 31,275
|
— |
— |
 Edge |
99.8%
31,035 / 31,096
|
100.0%
375 / 375
|
— |
98.37%
963 / 979
|
98.59%
70 / 71
|
 Firefox |
96.35%
9,380 / 9,735
|
100.0%
1,317 / 1,317
|
— |
0.0%
0 / 35
|
98.62%
1,290 / 1,308
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,280 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.94%
121,435 / 121,510
|
99.73%
16,055 / 16,099
|
— |
99.86%
53,538 / 53,612
|
98.53%
6,233 / 6,326
|
 Safari |
— |
2.1%
149 / 7,086
|
1.43%
366 / 25,676
|
— |
— |
 Edge |
99.97%
27,147 / 27,154
|
100.0%
338 / 338
|
— |
100.0%
899 / 899
|
98.48%
65 / 66
|
 Firefox |
99.97%
7,954 / 7,956
|
100.0%
1,095 / 1,095
|
— |
0.0%
0 / 25
|
98.69%
1,056 / 1,070
|