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Codec: avc1.4d143c
84.66% Encoder Support
53,609 of 63,321 sessions supported encoding
85.43% Decoder Support
10,157 of 11,889 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
6 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 63,321 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.23%
27,716 / 27,932
|
99.86%
4,261 / 4,267
|
— |
97.45%
11,901 / 12,212
|
98.23%
1,611 / 1,640
|
 Safari |
— |
2.18%
35 / 1,609
|
1.46%
103 / 7,075
|
— |
— |
 Edge |
99.83%
5,165 / 5,174
|
100.0%
36 / 36
|
— |
100.0%
110 / 110
|
— |
 Firefox |
95.17%
2,071 / 2,176
|
100.0%
267 / 267
|
— |
— |
98.97%
289 / 292
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,889 test sessions. Decoder data collection started Jan 2026.