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Codec: avc1.4d0c16

86.47% Encoder Support
277,787 of 321,236 sessions supported encoding
99.93% Decoder Support
270,147 of 270,329 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,236 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,534 / 144,585 99.88% 19,658 / 19,681 — 97.58% 62,107 / 63,648 97.83% 7,580 / 7,748
SafariSafari
 — 1.97% 170 / 8,649 1.44% 453 / 31,392 — —
EdgeEdge
 99.8% 30,944 / 31,007 100.0% 332 / 332 — 98.23% 946 / 963 100.0% 66 / 66
FirefoxFirefox
 95.93% 9,265 / 9,658 100.0% 1,317 / 1,317 — 0.0% 0 / 33 98.75% 1,347 / 1,364

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,329 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 122,165 / 122,202 99.9% 16,001 / 16,017 — 99.98% 53,696 / 53,705 99.06% 6,535 / 6,597
SafariSafari
 — 99.92% 7,252 / 7,258 99.98% 25,803 / 25,808 — —
EdgeEdge
 100.0% 27,044 / 27,044 100.0% 306 / 306 — 100.0% 893 / 893 100.0% 59 / 59
FirefoxFirefox
 100.0% 7,847 / 7,847 100.0% 1,082 / 1,082 — 0.0% 0 / 24 99.2% 1,114 / 1,123