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Codec: avc1.42143e

87.25% Encoder Support
280,695 of 321,716 sessions supported encoding
87.79% Decoder Support
237,392 of 270,419 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,716 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.81% 144,577 / 144,852 99.82% 19,634 / 19,669 — 99.67% 63,617 / 63,826 98.37% 7,654 / 7,781
SafariSafari
 — 2.26% 193 / 8,551 1.58% 494 / 31,332 — —
EdgeEdge
 99.97% 31,055 / 31,063 100.0% 388 / 388 — 99.89% 945 / 946 98.21% 55 / 56
FirefoxFirefox
 95.93% 9,446 / 9,847 100.0% 1,304 / 1,304 — 0.0% 0 / 34 98.5% 1,246 / 1,265

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,419 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 122,190 / 122,250 99.8% 15,959 / 15,991 — 99.87% 53,717 / 53,787 98.44% 6,438 / 6,540
SafariSafari
 — 2.23% 160 / 7,168 1.53% 393 / 25,753 — —
EdgeEdge
 99.97% 27,066 / 27,074 100.0% 354 / 354 — 100.0% 876 / 876 100.0% 50 / 50
FirefoxFirefox
 99.9% 8,022 / 8,030 99.81% 1,076 / 1,078 — 0.0% 0 / 21 99.32% 1,029 / 1,036