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Codec: avc1.64102a

86.26% Encoder Support
277,087 of 321,234 sessions supported encoding
99.93% Decoder Support
269,731 of 269,920 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,234 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,243 / 144,287 99.91% 19,643 / 19,661 — 96.23% 61,543 / 63,953 97.39% 7,489 / 7,690
SafariSafari
 — 1.8% 155 / 8,630 1.35% 421 / 31,212 — —
EdgeEdge
 99.79% 31,079 / 31,144 100.0% 397 / 397 — 98.34% 945 / 961 98.41% 62 / 63
FirefoxFirefox
 96.1% 9,372 / 9,752 100.0% 1,326 / 1,326 — 0.0% 0 / 31 99.32% 1,317 / 1,326

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,920 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,585 / 121,626 99.92% 15,896 / 15,909 — 99.98% 54,035 / 54,044 98.97% 6,410 / 6,477
SafariSafari
 — 99.92% 7,264 / 7,270 99.99% 25,630 / 25,632 — —
EdgeEdge
 100.0% 27,095 / 27,096 100.0% 350 / 350 — 100.0% 882 / 882 98.28% 57 / 58
FirefoxFirefox
 99.99% 7,970 / 7,971 100.0% 1,092 / 1,092 — 0.0% 0 / 24 99.45% 1,088 / 1,094