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Codec: avc1.4d0c32
84.53% Encoder Support
53,280 of 63,030 sessions supported encoding
99.9% Decoder Support
11,932 of 11,944 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Main |
| Level |
5 |
| Maximum Resolution |
4K (4096×2176) |
| Maximum Bitrate |
135 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 63,030 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.19%
27,673 / 27,899
|
99.88%
4,298 / 4,303
|
— |
97.31%
11,939 / 12,269
|
98.04%
1,503 / 1,533
|
 Safari |
— |
2.02%
33 / 1,637
|
1.65%
117 / 7,108
|
— |
— |
 Edge |
99.84%
4,887 / 4,895
|
100.0%
54 / 54
|
— |
99.05%
104 / 105
|
— |
 Firefox |
95.51%
2,106 / 2,205
|
100.0%
265 / 265
|
— |
— |
98.11%
259 / 264
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,944 test sessions. Decoder data collection started Jan 2026.