← Back to Codec Support Table
Codec: avc1.4d003d
86.5% Encoder Support
278,314 of 321,748 sessions supported encoding
87.75% Decoder Support
237,269 of 270,399 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
6.1 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
480 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 321,748 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.29%
143,832 / 144,866
|
99.78%
19,865 / 19,908
|
— |
97.47%
61,791 / 63,396
|
97.62%
7,556 / 7,740
|
 Safari |
— |
1.88%
164 / 8,733
|
1.55%
484 / 31,292
|
— |
— |
 Edge |
99.83%
31,097 / 31,150
|
100.0%
408 / 408
|
— |
99.59%
971 / 975
|
98.33%
59 / 60
|
 Firefox |
96.09%
9,353 / 9,734
|
100.0%
1,327 / 1,327
|
— |
0.0%
0 / 29
|
98.87%
1,310 / 1,325
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,399 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.95%
122,115 / 122,173
|
99.76%
16,131 / 16,170
|
— |
99.85%
53,432 / 53,513
|
98.52%
6,440 / 6,537
|
 Safari |
— |
1.79%
132 / 7,367
|
1.49%
383 / 25,627
|
— |
— |
 Edge |
99.97%
27,143 / 27,151
|
100.0%
364 / 364
|
— |
100.0%
897 / 897
|
100.0%
56 / 56
|
 Firefox |
99.92%
7,946 / 7,952
|
100.0%
1,097 / 1,097
|
— |
0.0%
0 / 22
|
99.17%
1,076 / 1,085
|