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Codec: avc1.4d1415
3.95% Encoder Support
12,665 of 320,744 sessions supported encoding
99.93% Decoder Support
269,327 of 269,520 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
2.1 |
| Maximum Resolution |
SD (512×480) |
| Maximum Bitrate |
4 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,744 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
14 / 144,290
|
0.11%
22 / 19,774
|
— |
0.02%
13 / 63,432
|
0.34%
26 / 7,683
|
 Safari |
— |
1.64%
143 / 8,723
|
1.42%
446 / 31,363
|
— |
— |
 Edge |
0.0%
1 / 30,798
|
0.0%
0 / 386
|
— |
0.0%
0 / 998
|
0.0%
0 / 70
|
 Firefox |
96.02%
9,416 / 9,806
|
99.92%
1,276 / 1,277
|
— |
0.0%
0 / 30
|
97.79%
1,286 / 1,315
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,520 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.98%
121,851 / 121,875
|
99.86%
16,038 / 16,061
|
— |
99.99%
53,473 / 53,481
|
98.96%
6,394 / 6,461
|
 Safari |
— |
99.88%
7,294 / 7,303
|
99.98%
25,698 / 25,704
|
— |
— |
 Edge |
100.0%
26,823 / 26,823
|
100.0%
343 / 343
|
— |
100.0%
916 / 916
|
100.0%
66 / 66
|
 Firefox |
100.0%
7,952 / 7,952
|
100.0%
1,054 / 1,054
|
— |
0.0%
0 / 20
|
98.97%
1,061 / 1,072
|