← Back to Codec Support Table
Codec: avc1.4d083c
86.45% Encoder Support
276,875 of 320,289 sessions supported encoding
87.68% Decoder Support
235,797 of 268,935 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
6 |
| Maximum Resolution |
8K (8192×4352) |
| Maximum Bitrate |
240 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 320,289 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.3%
143,113 / 144,129
|
99.77%
19,804 / 19,849
|
— |
97.59%
61,855 / 63,380
|
97.38%
7,500 / 7,702
|
 Safari |
— |
2.02%
174 / 8,595
|
1.47%
462 / 31,464
|
— |
— |
 Edge |
99.82%
30,725 / 30,779
|
99.71%
342 / 343
|
— |
99.04%
924 / 933
|
98.61%
71 / 72
|
 Firefox |
96.18%
9,243 / 9,610
|
100.0%
1,263 / 1,263
|
— |
0.0%
0 / 35
|
98.94%
1,304 / 1,318
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 268,935 test sessions. Decoder data collection started Jan 2026.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.94%
121,410 / 121,483
|
99.76%
16,119 / 16,157
|
— |
99.86%
53,238 / 53,315
|
98.15%
6,427 / 6,548
|
 Safari |
— |
1.88%
135 / 7,200
|
1.49%
383 / 25,757
|
— |
— |
 Edge |
99.97%
26,764 / 26,773
|
100.0%
307 / 307
|
— |
100.0%
871 / 871
|
100.0%
66 / 66
|
 Firefox |
99.91%
7,896 / 7,903
|
99.9%
1,049 / 1,050
|
— |
0.0%
0 / 24
|
99.35%
1,069 / 1,076
|