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Codec: avc1.4d0028
98.94% Encoder Support
317,151 of 320,535 sessions supported encoding
99.93% Decoder Support
269,401 of 269,590 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
4 |
| Maximum Resolution |
1080p (1920×1080) |
| Maximum Bitrate |
20 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,535 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.3%
143,111 / 144,116
|
99.87%
19,917 / 19,942
|
— |
97.49%
61,725 / 63,317
|
97.82%
7,537 / 7,705
|
 Safari |
— |
99.93%
8,499 / 8,505
|
99.99%
31,227 / 31,230
|
— |
— |
 Edge |
99.79%
31,052 / 31,117
|
100.0%
376 / 376
|
— |
99.21%
999 / 1,007
|
100.0%
56 / 56
|
 Firefox |
95.59%
9,321 / 9,751
|
100.0%
1,329 / 1,329
|
— |
0.0%
0 / 34
|
98.67%
1,258 / 1,275
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,590 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,361 / 121,403
|
99.9%
16,269 / 16,285
|
— |
99.98%
53,470 / 53,479
|
98.82%
6,437 / 6,514
|
 Safari |
— |
99.93%
7,131 / 7,136
|
99.99%
25,733 / 25,736
|
— |
— |
 Edge |
100.0%
27,230 / 27,230
|
100.0%
338 / 338
|
— |
100.0%
931 / 931
|
100.0%
50 / 50
|
 Firefox |
100.0%
7,936 / 7,936
|
100.0%
1,119 / 1,119
|
— |
0.0%
0 / 22
|
99.32%
1,028 / 1,035
|