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Codec: avc1.420816
85.2% Encoder Support
53,665 of 62,988 sessions supported encoding
99.92% Decoder Support
11,844 of 11,854 sessions supported decoding
Codec Specifications
| Codec Family |
AVC (H.264) |
| Profile |
Baseline |
| Level |
2.2 |
| Maximum Resolution |
SD/DVD (720×480) |
| Maximum Bitrate |
4 Mbps |
VideoEncoder Support Matrix
Browser × Platform encoder support from 62,988 test sessions. Browser detection based on user agent strings.
| Browser |
Windows |
macOS |
iOS |
Android |
Linux |
 Chrome/Chromium |
99.77%
27,550 / 27,614
|
99.95%
4,352 / 4,354
|
— |
99.68%
12,210 / 12,249
|
98.56%
1,579 / 1,602
|
 Safari |
— |
2.37%
40 / 1,687
|
1.48%
105 / 7,100
|
— |
— |
 Edge |
100.0%
4,948 / 4,948
|
97.96%
48 / 49
|
— |
100.0%
118 / 118
|
90.91%
10 / 11
|
 Firefox |
95.82%
2,087 / 2,178
|
100.0%
282 / 282
|
— |
— |
99.32%
294 / 296
|
VideoDecoder Support Matrix
Browser × Platform decoder support from 11,854 test sessions. Decoder data collection started Jan 2026.