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Codec: avc1.4d140a
3.93% Encoder Support
12,616 of 320,637 sessions supported encoding
99.93% Decoder Support
269,664 of 269,850 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
1 |
| Maximum Resolution |
SD (384×384 or smaller) |
| Maximum Bitrate |
64 Kbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,637 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
21 / 144,152
|
0.1%
19 / 19,752
|
— |
0.01%
8 / 63,892
|
0.32%
25 / 7,694
|
 Safari |
— |
1.81%
155 / 8,552
|
1.45%
451 / 31,085
|
— |
— |
 Edge |
0.01%
2 / 31,006
|
0.0%
0 / 346
|
— |
0.0%
0 / 933
|
0.0%
0 / 68
|
 Firefox |
95.78%
9,322 / 9,733
|
100.0%
1,323 / 1,323
|
— |
0.0%
0 / 37
|
97.62%
1,271 / 1,302
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,850 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,803 / 121,836
|
99.88%
15,979 / 15,998
|
— |
99.98%
53,976 / 53,988
|
99.05%
6,452 / 6,514
|
 Safari |
— |
99.87%
7,155 / 7,164
|
99.99%
25,462 / 25,464
|
— |
— |
 Edge |
100.0%
27,076 / 27,076
|
100.0%
313 / 313
|
— |
100.0%
857 / 857
|
98.33%
59 / 60
|
 Firefox |
100.0%
8,004 / 8,004
|
100.0%
1,099 / 1,099
|
— |
0.0%
0 / 31
|
99.16%
1,064 / 1,073
|