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Codec: avc1.4d102a
98.97% Encoder Support
317,645 of 320,964 sessions supported encoding
99.94% Decoder Support
269,657 of 269,815 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
4.2 |
| Maximum Resolution |
1080p (1920×1080) |
| Maximum Bitrate |
50 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,964 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.27%
143,310 / 144,363
|
99.83%
19,840 / 19,873
|
— |
97.54%
62,051 / 63,617
|
98.19%
7,575 / 7,715
|
 Safari |
— |
99.97%
8,734 / 8,737
|
99.99%
31,183 / 31,185
|
— |
— |
 Edge |
99.83%
30,986 / 31,039
|
100.0%
335 / 335
|
— |
98.96%
954 / 964
|
97.14%
68 / 70
|
 Firefox |
95.98%
9,195 / 9,580
|
100.0%
1,327 / 1,327
|
— |
0.0%
0 / 29
|
99.23%
1,293 / 1,303
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 269,815 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.98%
121,954 / 121,982
|
99.84%
15,974 / 16,000
|
— |
99.99%
53,577 / 53,581
|
99.2%
6,470 / 6,522
|
 Safari |
— |
99.96%
7,324 / 7,327
|
99.99%
25,658 / 25,660
|
— |
— |
 Edge |
100.0%
27,057 / 27,057
|
100.0%
291 / 291
|
— |
100.0%
883 / 883
|
97.01%
65 / 67
|
 Firefox |
100.0%
7,859 / 7,859
|
100.0%
1,099 / 1,099
|
— |
0.0%
0 / 23
|
99.44%
1,066 / 1,072
|