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Codec: avc1.4d103e

86.5% Encoder Support
277,278 of 320,556 sessions supported encoding
87.73% Decoder Support
236,495 of 269,566 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,556 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,079 / 144,082 99.74% 19,433 / 19,483 — 97.5% 62,454 / 64,054 97.5% 7,656 / 7,852
SafariSafari
 — 1.73% 147 / 8,521 1.44% 450 / 31,291 — —
EdgeEdge
 99.79% 30,768 / 30,833 99.73% 366 / 367 — 99.37% 952 / 958 98.11% 52 / 53
FirefoxFirefox
 96.02% 9,260 / 9,644 100.0% 1,335 / 1,335 — 0.0% 0 / 30 98.79% 1,226 / 1,241

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,566 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,451 / 121,497 99.73% 15,855 / 15,898 — 99.87% 53,931 / 54,001 98.47% 6,577 / 6,679
SafariSafari
 — 1.82% 130 / 7,147 1.44% 370 / 25,768 — —
EdgeEdge
 99.98% 26,846 / 26,851 100.0% 329 / 329 — 100.0% 883 / 883 98.0% 49 / 50
FirefoxFirefox
 99.86% 7,877 / 7,888 100.0% 1,109 / 1,109 — 0.0% 0 / 23 99.22% 1,016 / 1,024