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Codec: avc1.641432
84.46% Encoder Support
53,237 of 63,032 sessions supported encoding
99.97% Decoder Support
11,854 of 11,858 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 63,032 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.16%
27,460 / 27,693
|
99.91%
4,331 / 4,335
|
— |
96.3%
11,772 / 12,224
|
97.64%
1,573 / 1,611
|
 Safari |
— |
2.27%
37 / 1,629
|
1.57%
110 / 6,994
|
— |
— |
 Edge |
99.84%
5,052 / 5,060
|
100.0%
54 / 54
|
— |
95.61%
109 / 114
|
— |
 Firefox |
95.56%
2,132 / 2,231
|
100.0%
297 / 297
|
— |
0.0%
0 / 13
|
98.9%
269 / 272
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,858 test sessions. Decoder data collection started Jan 2026.