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Codec: avc1.4d0816

86.6% Encoder Support
277,131 of 320,015 sessions supported encoding
99.93% Decoder Support
269,152 of 269,342 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 320,015 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 142,900 / 143,920 99.85% 19,570 / 19,600 — 97.53% 62,192 / 63,770 97.85% 7,609 / 7,776
SafariSafari
 — 2.14% 182 / 8,515 1.37% 423 / 30,979 — —
EdgeEdge
 99.83% 30,858 / 30,909 100.0% 340 / 340 — 99.05% 943 / 952 98.44% 63 / 64
FirefoxFirefox
 96.01% 9,336 / 9,724 100.0% 1,337 / 1,337 — 0.0% 0 / 39 98.85% 1,292 / 1,307

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,342 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,735 / 121,771 99.87% 15,929 / 15,950 — 99.98% 53,805 / 53,816 99.04% 6,516 / 6,579
SafariSafari
 — 99.93% 7,133 / 7,138 99.98% 25,455 / 25,459 — —
EdgeEdge
 100.0% 26,884 / 26,884 100.0% 300 / 300 — 100.0% 866 / 866 100.0% 55 / 55
FirefoxFirefox
 100.0% 7,976 / 7,976 100.0% 1,087 / 1,087 — 0.0% 0 / 30 99.43% 1,053 / 1,059