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Codec: avc1.640c16
98.7% Encoder Support
316,556 of 320,737 sessions supported encoding
99.93% Decoder Support
269,179 of 269,356 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
2.2 |
| Maximum Resolution |
SD/DVD (720×480) |
| Maximum Bitrate |
4 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,737 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.29%
143,615 / 144,646
|
99.84%
19,580 / 19,612
|
— |
96.28%
61,308 / 63,679
|
97.36%
7,549 / 7,754
|
 Safari |
— |
99.91%
8,503 / 8,511
|
99.99%
31,259 / 31,262
|
— |
— |
 Edge |
99.81%
30,630 / 30,688
|
100.0%
354 / 354
|
— |
98.26%
960 / 977
|
100.0%
65 / 65
|
 Firefox |
96.2%
9,417 / 9,789
|
100.0%
1,290 / 1,290
|
— |
0.0%
0 / 32
|
98.91%
1,266 / 1,280
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,356 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,909 / 121,941
|
99.88%
15,905 / 15,924
|
— |
99.98%
53,683 / 53,692
|
99.07%
6,481 / 6,542
|
 Safari |
— |
99.89%
7,104 / 7,112
|
99.99%
25,626 / 25,629
|
— |
— |
 Edge |
100.0%
26,715 / 26,715
|
100.0%
314 / 314
|
— |
100.0%
900 / 900
|
100.0%
57 / 57
|
 Firefox |
100.0%
8,012 / 8,012
|
100.0%
1,050 / 1,050
|
— |
0.0%
0 / 19
|
99.33%
1,039 / 1,046
|