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Codec: avc1.4d0c2a

86.62% Encoder Support
277,792 of 320,706 sessions supported encoding
99.93% Decoder Support
269,329 of 269,510 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,706 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.32% 143,175 / 144,160 99.87% 19,873 / 19,899 — 97.57% 62,013 / 63,556 98.12% 7,634 / 7,780
SafariSafari
 — 2.07% 176 / 8,503 1.46% 454 / 31,143 — —
EdgeEdge
 99.83% 31,019 / 31,073 100.0% 351 / 351 — 99.05% 936 / 945 98.57% 69 / 70
FirefoxFirefox
 96.08% 9,389 / 9,772 100.0% 1,314 / 1,314 — 0.0% 0 / 34 99.31% 1,296 / 1,305

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,510 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,668 / 121,700 99.89% 16,204 / 16,222 — 99.99% 53,687 / 53,693 99.03% 6,455 / 6,518
SafariSafari
 — 99.87% 7,070 / 7,079 99.99% 25,460 / 25,462 — —
EdgeEdge
 100.0% 27,025 / 27,025 100.0% 317 / 317 — 100.0% 862 / 862 98.31% 58 / 59
FirefoxFirefox
 100.0% 7,988 / 7,988 100.0% 1,100 / 1,100 — 0.0% 0 / 27 99.63% 1,063 / 1,067