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Codec: avc1.640434
86.21% Encoder Support
276,216 of 320,410 sessions supported encoding
99.93% Decoder Support
269,399 of 269,595 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 320,410 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.28%
142,904 / 143,940
|
99.83%
19,566 / 19,599
|
— |
96.21%
61,400 / 63,820
|
97.26%
7,479 / 7,690
|
 Safari |
— |
2.37%
206 / 8,684
|
1.39%
433 / 31,188
|
— |
— |
 Edge |
99.84%
30,930 / 30,980
|
100.0%
356 / 356
|
— |
98.64%
945 / 958
|
100.0%
54 / 54
|
 Firefox |
95.86%
9,306 / 9,708
|
100.0%
1,300 / 1,300
|
— |
0.0%
0 / 40
|
98.19%
1,248 / 1,271
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,595 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,680 / 121,721
|
99.89%
15,943 / 15,960
|
— |
99.99%
53,806 / 53,814
|
98.99%
6,448 / 6,514
|
 Safari |
— |
99.92%
7,264 / 7,270
|
99.98%
25,569 / 25,574
|
— |
— |
 Edge |
99.99%
27,066 / 27,068
|
100.0%
323 / 323
|
— |
100.0%
884 / 884
|
100.0%
49 / 49
|
 Firefox |
100.0%
7,867 / 7,867
|
100.0%
1,074 / 1,074
|
— |
0.0%
0 / 26
|
98.95%
1,034 / 1,045
|