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Codec: avc1.64040c
3.97% Encoder Support
12,732 of 320,869 sessions supported encoding
99.93% Decoder Support
269,814 of 270,000 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
1.2 |
| Maximum Resolution |
SD (384×384 or smaller) |
| Maximum Bitrate |
384 Kbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,869 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
13 / 144,229
|
0.11%
21 / 19,734
|
— |
0.01%
9 / 63,901
|
0.4%
31 / 7,679
|
 Safari |
— |
2.11%
181 / 8,586
|
1.49%
465 / 31,244
|
— |
— |
 Edge |
0.0%
1 / 30,784
|
0.0%
0 / 391
|
— |
0.0%
0 / 998
|
0.0%
0 / 58
|
 Firefox |
96.06%
9,305 / 9,687
|
100.0%
1,344 / 1,344
|
— |
0.0%
0 / 32
|
98.08%
1,330 / 1,356
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,000 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,864 / 121,900
|
99.85%
16,033 / 16,057
|
— |
99.98%
53,906 / 53,916
|
99.11%
6,495 / 6,553
|
 Safari |
— |
99.92%
7,255 / 7,261
|
99.97%
25,650 / 25,657
|
— |
— |
 Edge |
100.0%
26,787 / 26,788
|
100.0%
352 / 352
|
— |
100.0%
916 / 916
|
98.08%
51 / 52
|
 Firefox |
100.0%
7,906 / 7,906
|
100.0%
1,113 / 1,113
|
— |
0.0%
0 / 24
|
99.82%
1,102 / 1,104
|