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Codec: avc1.640420
84.2% Encoder Support
52,972 of 62,909 sessions supported encoding
99.92% Decoder Support
11,866 of 11,875 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 62,909 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.2%
27,483 / 27,705
|
99.88%
4,325 / 4,330
|
— |
96.0%
11,567 / 12,049
|
97.95%
1,576 / 1,609
|
 Safari |
— |
1.88%
31 / 1,653
|
1.79%
127 / 7,102
|
— |
— |
 Edge |
99.78%
5,011 / 5,022
|
100.0%
48 / 48
|
— |
96.69%
117 / 121
|
— |
 Firefox |
95.28%
2,101 / 2,205
|
100.0%
257 / 257
|
— |
0.0%
0 / 13
|
98.59%
280 / 284
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,875 test sessions. Decoder data collection started Jan 2026.