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Codec: avc1.4d0033
98.95% Encoder Support
317,189 of 320,548 sessions supported encoding
99.93% Decoder Support
269,532 of 269,722 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
5.1 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,548 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.26%
143,410 / 144,483
|
99.86%
19,557 / 19,585
|
— |
97.64%
62,265 / 63,768
|
97.75%
7,515 / 7,688
|
 Safari |
— |
99.92%
8,608 / 8,615
|
99.98%
31,150 / 31,155
|
— |
— |
 Edge |
99.77%
30,860 / 30,931
|
100.0%
334 / 334
|
— |
98.82%
925 / 936
|
100.0%
69 / 69
|
 Firefox |
95.8%
9,139 / 9,540
|
100.0%
1,334 / 1,334
|
— |
0.0%
0 / 37
|
98.73%
1,246 / 1,262
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,722 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.96%
121,919 / 121,962
|
99.9%
15,911 / 15,927
|
— |
99.99%
53,923 / 53,928
|
98.98%
6,403 / 6,469
|
 Safari |
— |
99.9%
7,253 / 7,260
|
99.98%
25,621 / 25,626
|
— |
— |
 Edge |
100.0%
26,978 / 26,978
|
100.0%
291 / 291
|
— |
100.0%
856 / 856
|
100.0%
61 / 61
|
 Firefox |
100.0%
7,828 / 7,828
|
100.0%
1,083 / 1,083
|
— |
0.0%
0 / 27
|
99.13%
1,023 / 1,032
|