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Codec: avc1.640832
86.23% Encoder Support
276,211 of 320,313 sessions supported encoding
99.94% Decoder Support
268,812 of 268,984 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
5 |
| Maximum Resolution |
4K (4096×2176) |
| Maximum Bitrate |
135 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,313 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.25%
142,402 / 143,484
|
99.86%
19,815 / 19,842
|
— |
96.33%
61,412 / 63,754
|
97.36%
7,459 / 7,661
|
 Safari |
— |
1.94%
167 / 8,599
|
1.48%
462 / 31,287
|
— |
— |
 Edge |
99.83%
30,907 / 30,960
|
100.0%
370 / 370
|
— |
98.21%
986 / 1,004
|
100.0%
57 / 57
|
 Firefox |
96.41%
9,491 / 9,844
|
100.0%
1,306 / 1,306
|
— |
0.0%
0 / 30
|
99.23%
1,283 / 1,293
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 268,984 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
120,843 / 120,884
|
99.88%
16,065 / 16,085
|
— |
99.98%
53,836 / 53,845
|
99.15%
6,418 / 6,473
|
 Safari |
— |
99.94%
7,215 / 7,219
|
99.99%
25,655 / 25,658
|
— |
— |
 Edge |
100.0%
26,964 / 26,964
|
100.0%
326 / 326
|
— |
100.0%
918 / 918
|
100.0%
49 / 49
|
 Firefox |
100.0%
8,025 / 8,025
|
100.0%
1,068 / 1,068
|
— |
0.0%
0 / 23
|
99.53%
1,048 / 1,053
|