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Codec: avc1.42103c
85.48% Encoder Support
53,856 of 63,004 sessions supported encoding
85.66% Decoder Support
10,268 of 11,987 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Baseline |
| Level |
6 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 63,004 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.73%
27,665 / 27,741
|
99.79%
4,374 / 4,383
|
— |
99.65%
12,080 / 12,122
|
97.71%
1,578 / 1,615
|
 Safari |
— |
2.64%
43 / 1,628
|
1.89%
132 / 6,986
|
— |
— |
 Edge |
100.0%
5,052 / 5,052
|
98.11%
52 / 53
|
— |
100.0%
100 / 100
|
— |
 Firefox |
95.58%
2,164 / 2,264
|
100.0%
285 / 285
|
— |
0.0%
0 / 12
|
98.66%
294 / 298
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,987 test sessions. Decoder data collection started Jan 2026.