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Codec: avc1.640c33
98.72% Encoder Support
316,478 of 320,577 sessions supported encoding
99.94% Decoder Support
269,187 of 269,358 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 320,577 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.27%
143,178 / 144,228
|
99.87%
19,888 / 19,913
|
— |
96.4%
61,214 / 63,502
|
97.44%
7,508 / 7,705
|
 Safari |
— |
99.94%
8,594 / 8,599
|
100.0%
31,056 / 31,057
|
— |
— |
 Edge |
99.81%
30,995 / 31,054
|
100.0%
388 / 388
|
— |
97.99%
927 / 946
|
97.1%
67 / 69
|
 Firefox |
96.14%
9,266 / 9,638
|
100.0%
1,354 / 1,354
|
— |
0.0%
0 / 34
|
98.59%
1,259 / 1,277
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,358 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,528 / 121,564
|
99.88%
16,161 / 16,180
|
— |
99.99%
53,645 / 53,651
|
99.04%
6,428 / 6,490
|
 Safari |
— |
99.93%
7,214 / 7,219
|
100.0%
25,488 / 25,489
|
— |
— |
 Edge |
100.0%
27,044 / 27,044
|
100.0%
333 / 333
|
— |
100.0%
879 / 879
|
98.41%
62 / 63
|
 Firefox |
99.99%
7,861 / 7,862
|
100.0%
1,112 / 1,112
|
— |
0.0%
0 / 24
|
99.34%
1,048 / 1,055
|