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Codec: avc1.4d040a
3.87% Encoder Support
12,417 of 320,794 sessions supported encoding
99.93% Decoder Support
269,626 of 269,822 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 320,794 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.01%
15 / 144,517
|
0.12%
24 / 19,628
|
— |
0.02%
10 / 63,678
|
0.2%
16 / 7,833
|
 Safari |
— |
1.83%
157 / 8,568
|
1.32%
409 / 31,035
|
— |
— |
 Edge |
0.0%
0 / 31,116
|
0.0%
0 / 374
|
— |
0.0%
0 / 969
|
0.0%
0 / 67
|
 Firefox |
95.98%
9,279 / 9,668
|
99.92%
1,304 / 1,305
|
— |
0.0%
0 / 27
|
97.94%
1,190 / 1,215
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,822 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.97%
121,957 / 121,994
|
99.86%
15,961 / 15,983
|
— |
99.99%
53,749 / 53,757
|
99.01%
6,570 / 6,636
|
 Safari |
— |
99.86%
7,206 / 7,216
|
99.98%
25,445 / 25,451
|
— |
— |
 Edge |
100.0%
27,113 / 27,114
|
100.0%
333 / 333
|
— |
100.0%
897 / 897
|
98.39%
61 / 62
|
 Firefox |
99.99%
7,891 / 7,892
|
100.0%
1,099 / 1,099
|
— |
0.0%
0 / 20
|
99.39%
974 / 980
|