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Codec: avc1.4d0015
18.6% Encoder Support
11,758 of 63,208 sessions supported encoding
99.97% Decoder Support
11,923 of 11,927 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 63,208 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
0.02%
5 / 27,840
|
0.12%
5 / 4,282
|
— |
0.03%
4 / 12,318
|
0.5%
8 / 1,597
|
 Safari |
— |
99.82%
1,648 / 1,651
|
99.97%
6,981 / 6,983
|
— |
— |
 Edge |
0.0%
0 / 5,111
|
1.82%
1 / 55
|
— |
0.0%
0 / 114
|
0.0%
0 / 14
|
 Firefox |
95.51%
2,083 / 2,181
|
100.0%
299 / 299
|
— |
— |
99.28%
276 / 278
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,927 test sessions. Decoder data collection started Jan 2026.