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Codec: avc1.640820
86.26% Encoder Support
275,921 of 319,855 sessions supported encoding
99.94% Decoder Support
268,718 of 268,892 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
3.2 |
| Maximum Resolution |
1080p (1920×1080) |
| Maximum Bitrate |
20 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 319,855 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.28%
142,518 / 143,553
|
99.86%
19,812 / 19,839
|
— |
96.32%
61,294 / 63,635
|
97.48%
7,497 / 7,691
|
 Safari |
— |
2.07%
177 / 8,555
|
1.45%
454 / 31,243
|
— |
— |
 Edge |
99.81%
30,958 / 31,017
|
100.0%
378 / 378
|
— |
98.37%
964 / 980
|
100.0%
66 / 66
|
 Firefox |
96.26%
9,114 / 9,468
|
100.0%
1,295 / 1,295
|
— |
0.0%
0 / 37
|
98.71%
1,300 / 1,317
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 268,892 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.98%
121,113 / 121,143
|
99.87%
16,147 / 16,168
|
— |
99.98%
53,657 / 53,666
|
99.09%
6,459 / 6,518
|
 Safari |
— |
99.92%
7,168 / 7,174
|
99.97%
25,605 / 25,612
|
— |
— |
 Edge |
100.0%
27,080 / 27,081
|
100.0%
337 / 337
|
— |
100.0%
900 / 900
|
100.0%
59 / 59
|
 Firefox |
100.0%
7,706 / 7,706
|
100.0%
1,066 / 1,066
|
— |
0.0%
0 / 25
|
99.34%
1,061 / 1,068
|