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Codec: avc1.4d081f

86.48% Encoder Support
277,849 of 321,277 sessions supported encoding
99.93% Decoder Support
269,604 of 269,789 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,277 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,044 / 144,109 99.86% 19,683 / 19,710 — 97.6% 62,353 / 63,886 97.86% 7,688 / 7,856
SafariSafari
 — 1.88% 164 / 8,703 1.53% 479 / 31,377 — —
EdgeEdge
 99.8% 31,057 / 31,118 100.0% 360 / 360 — 98.76% 957 / 969 95.92% 47 / 49
FirefoxFirefox
 96.26% 9,331 / 9,694 100.0% 1,331 / 1,331 — 0.0% 0 / 34 99.06% 1,261 / 1,273

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,789 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,454 / 121,490 99.88% 16,026 / 16,045 — 99.99% 53,814 / 53,819 99.08% 6,587 / 6,648
SafariSafari
 — 99.89% 7,257 / 7,265 99.99% 25,740 / 25,743 — —
EdgeEdge
 100.0% 27,084 / 27,084 100.0% 324 / 324 — 100.0% 896 / 896 95.35% 41 / 43
FirefoxFirefox
 100.0% 7,881 / 7,881 100.0% 1,082 / 1,082 — 0.0% 0 / 25 99.04% 1,037 / 1,047