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Codec: avc1.4d0c33
86.46% Encoder Support
277,132 of 320,539 sessions supported encoding
99.94% Decoder Support
269,281 of 269,450 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
5.1 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,539 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.27%
143,086 / 144,131
|
99.87%
19,517 / 19,543
|
— |
97.54%
61,992 / 63,553
|
98.06%
7,546 / 7,695
|
 Safari |
— |
2.0%
174 / 8,720
|
1.54%
484 / 31,365
|
— |
— |
 Edge |
99.78%
30,959 / 31,028
|
100.0%
359 / 359
|
— |
98.96%
947 / 957
|
100.0%
68 / 68
|
 Firefox |
96.33%
9,341 / 9,697
|
100.0%
1,311 / 1,311
|
— |
0.0%
0 / 27
|
99.21%
1,256 / 1,266
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,450 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,707 / 121,742
|
99.89%
15,862 / 15,879
|
— |
99.99%
53,648 / 53,654
|
99.12%
6,441 / 6,498
|
 Safari |
— |
99.92%
7,320 / 7,326
|
99.97%
25,681 / 25,688
|
— |
— |
 Edge |
100.0%
26,974 / 26,974
|
100.0%
329 / 329
|
— |
100.0%
884 / 884
|
100.0%
62 / 62
|
 Firefox |
99.97%
7,870 / 7,872
|
100.0%
1,085 / 1,085
|
— |
0.0%
0 / 18
|
99.52%
1,031 / 1,036
|