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Codec: avc1.4d000b
16.33% Encoder Support
52,401 of 320,877 sessions supported encoding
99.93% Decoder Support
269,472 of 269,654 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
1.1 |
| Maximum Resolution |
SD (384×384 or smaller) |
| Maximum Bitrate |
192 Kbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,877 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
14 / 144,277
|
0.09%
17 / 19,728
|
— |
0.02%
11 / 63,698
|
0.42%
33 / 7,855
|
 Safari |
— |
99.87%
8,426 / 8,437
|
99.96%
31,323 / 31,334
|
— |
— |
 Edge |
0.01%
2 / 31,012
|
0.0%
0 / 369
|
— |
0.0%
0 / 988
|
0.0%
0 / 69
|
 Firefox |
96.22%
9,256 / 9,620
|
100.0%
1,335 / 1,335
|
— |
0.0%
0 / 27
|
97.66%
1,294 / 1,325
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,654 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,784 / 121,823
|
99.88%
16,010 / 16,029
|
— |
99.98%
53,628 / 53,638
|
99.11%
6,607 / 6,666
|
 Safari |
— |
99.89%
7,111 / 7,119
|
99.99%
25,656 / 25,659
|
— |
— |
 Edge |
100.0%
26,961 / 26,961
|
100.0%
332 / 332
|
— |
100.0%
912 / 912
|
100.0%
65 / 65
|
 Firefox |
99.99%
7,843 / 7,844
|
100.0%
1,100 / 1,100
|
— |
0.0%
0 / 22
|
99.27%
1,085 / 1,093
|