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Codec: avc1.640c0c
16.5% Encoder Support
52,806 of 320,127 sessions supported encoding
99.94% Decoder Support
268,910 of 269,080 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 320,127 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
17 / 143,843
|
0.13%
25 / 19,727
|
— |
0.02%
11 / 63,358
|
0.37%
29 / 7,762
|
 Safari |
— |
99.89%
8,769 / 8,779
|
99.97%
31,325 / 31,333
|
— |
— |
 Edge |
0.0%
0 / 30,738
|
0.0%
0 / 382
|
— |
0.0%
0 / 959
|
0.0%
0 / 56
|
 Firefox |
95.9%
9,241 / 9,636
|
99.93%
1,360 / 1,361
|
— |
0.0%
0 / 38
|
97.85%
1,319 / 1,348
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,080 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.98%
121,236 / 121,262
|
99.89%
16,100 / 16,117
|
— |
99.99%
53,503 / 53,510
|
99.04%
6,478 / 6,541
|
 Safari |
— |
99.92%
7,371 / 7,377
|
99.99%
25,677 / 25,679
|
— |
— |
 Edge |
100.0%
26,829 / 26,829
|
100.0%
333 / 333
|
— |
100.0%
880 / 880
|
98.08%
51 / 52
|
 Firefox |
99.99%
7,881 / 7,882
|
100.0%
1,106 / 1,106
|
— |
0.0%
0 / 26
|
99.27%
1,095 / 1,103
|