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Codec: avc1.420834
85.51% Encoder Support
53,704 of 62,801 sessions supported encoding
99.93% Decoder Support
11,816 of 11,824 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Baseline |
| Level |
5.2 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 62,801 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.73%
27,629 / 27,703
|
99.95%
4,315 / 4,317
|
— |
99.75%
12,133 / 12,164
|
98.85%
1,634 / 1,653
|
 Safari |
— |
2.35%
38 / 1,620
|
1.63%
113 / 6,941
|
— |
— |
 Edge |
100.0%
5,017 / 5,017
|
100.0%
50 / 50
|
— |
100.0%
111 / 111
|
— |
 Firefox |
95.48%
2,068 / 2,166
|
100.0%
282 / 282
|
— |
— |
98.9%
270 / 273
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,824 test sessions. Decoder data collection started Jan 2026.