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Codec: avc1.4d0c2a
86.62% Encoder Support
277,792 of 320,706 sessions supported encoding
99.93% Decoder Support
269,329 of 269,510 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
4.2 |
| Maximum Resolution |
1080p (1920×1080) |
| Maximum Bitrate |
50 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,706 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.32%
143,175 / 144,160
|
99.87%
19,873 / 19,899
|
— |
97.57%
62,013 / 63,556
|
98.12%
7,634 / 7,780
|
 Safari |
— |
2.07%
176 / 8,503
|
1.46%
454 / 31,143
|
— |
— |
 Edge |
99.83%
31,019 / 31,073
|
100.0%
351 / 351
|
— |
99.05%
936 / 945
|
98.57%
69 / 70
|
 Firefox |
96.08%
9,389 / 9,772
|
100.0%
1,314 / 1,314
|
— |
0.0%
0 / 34
|
99.31%
1,296 / 1,305
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,510 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,668 / 121,700
|
99.89%
16,204 / 16,222
|
— |
99.99%
53,687 / 53,693
|
99.03%
6,455 / 6,518
|
 Safari |
— |
99.87%
7,070 / 7,079
|
99.99%
25,460 / 25,462
|
— |
— |
 Edge |
100.0%
27,025 / 27,025
|
100.0%
317 / 317
|
— |
100.0%
862 / 862
|
98.31%
58 / 59
|
 Firefox |
100.0%
7,988 / 7,988
|
100.0%
1,100 / 1,100
|
— |
0.0%
0 / 27
|
99.63%
1,063 / 1,067
|