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Codec: avc1.4d141e
86.5% Encoder Support
278,030 of 321,422 sessions supported encoding
99.94% Decoder Support
270,069 of 270,233 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
3 |
| Maximum Resolution |
SD/DVD (720×480) |
| Maximum Bitrate |
10 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 321,422 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.25%
143,290 / 144,377
|
99.86%
19,956 / 19,984
|
— |
97.49%
61,985 / 63,582
|
97.99%
7,732 / 7,891
|
 Safari |
— |
2.02%
173 / 8,569
|
1.52%
476 / 31,346
|
— |
— |
 Edge |
99.8%
30,978 / 31,041
|
100.0%
340 / 340
|
— |
98.15%
954 / 972
|
96.3%
52 / 54
|
 Firefox |
95.94%
9,409 / 9,807
|
100.0%
1,295 / 1,295
|
— |
0.0%
0 / 39
|
99.39%
1,294 / 1,302
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,233 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,795 / 121,828
|
99.89%
16,243 / 16,261
|
— |
99.99%
53,698 / 53,704
|
99.14%
6,595 / 6,652
|
 Safari |
— |
99.93%
7,145 / 7,150
|
99.98%
25,677 / 25,681
|
— |
— |
 Edge |
100.0%
27,171 / 27,171
|
100.0%
295 / 295
|
— |
100.0%
899 / 899
|
97.96%
48 / 49
|
 Firefox |
99.99%
7,965 / 7,966
|
100.0%
1,070 / 1,070
|
— |
0.0%
0 / 23
|
99.53%
1,062 / 1,067
|