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Codec: avc1.641032
84.26% Encoder Support
52,945 of 62,839 sessions supported encoding
99.94% Decoder Support
11,900 of 11,907 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 62,839 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.13%
27,340 / 27,581
|
99.95%
4,218 / 4,220
|
— |
96.29%
11,626 / 12,074
|
97.66%
1,583 / 1,621
|
 Safari |
— |
2.66%
43 / 1,616
|
1.65%
117 / 7,112
|
— |
— |
 Edge |
99.84%
5,129 / 5,137
|
100.0%
50 / 50
|
— |
96.23%
102 / 106
|
— |
 Firefox |
94.44%
2,108 / 2,232
|
100.0%
289 / 289
|
— |
0.0%
0 / 14
|
100.0%
293 / 293
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,907 test sessions. Decoder data collection started Jan 2026.