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Codec: avc1.640c1f
98.68% Encoder Support
317,045 of 321,286 sessions supported encoding
99.94% Decoder Support
269,907 of 270,075 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
High |
| Level |
3.1 |
| Maximum Resolution |
HD ready (1024×960) |
| Maximum Bitrate |
14 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 321,286 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.23%
143,445 / 144,557
|
99.92%
19,430 / 19,446
|
— |
96.28%
61,333 / 63,705
|
97.62%
7,572 / 7,757
|
 Safari |
— |
99.88%
8,633 / 8,643
|
99.99%
31,416 / 31,419
|
— |
— |
 Edge |
99.81%
31,188 / 31,248
|
100.0%
365 / 365
|
— |
98.32%
937 / 953
|
97.22%
70 / 72
|
 Firefox |
96.03%
9,286 / 9,670
|
100.0%
1,358 / 1,358
|
— |
0.0%
0 / 31
|
98.57%
1,239 / 1,257
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 270,075 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,953 / 121,993
|
99.91%
15,815 / 15,829
|
— |
99.99%
53,873 / 53,878
|
99.19%
6,507 / 6,560
|
 Safari |
— |
99.88%
7,244 / 7,253
|
99.98%
25,706 / 25,710
|
— |
— |
 Edge |
100.0%
27,158 / 27,159
|
100.0%
319 / 319
|
— |
100.0%
867 / 867
|
98.44%
63 / 64
|
 Firefox |
100.0%
7,883 / 7,883
|
100.0%
1,110 / 1,110
|
— |
0.0%
0 / 21
|
99.42%
1,025 / 1,031
|