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Codec: avc1.64000b

15.55% Encoder Support
333,784 of 2,146,467 sessions supported encoding
99.8% Decoder Support
2,091,345 of 2,095,477 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,467 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 67 / 867,379 0.1% 105 / 101,008 — 0.02% 139 / 647,308 0.36% 159 / 43,596
SafariSafari
 — 99.75% 47,817 / 47,939 99.97% 218,213 / 218,278 — —
EdgeEdge
 0.0% 5 / 143,956 0.07% 1 / 1,488 — 0.0% 0 / 4,238 0.15% 1 / 680
FirefoxFirefox
 95.91% 51,304 / 53,494 99.89% 7,389 / 7,397 — 0.0% 0 / 110 97.65% 5,947 / 6,090

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,477 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,663 / 844,868 99.79% 97,054 / 97,262 — 99.65% 635,201 / 637,449 98.37% 41,717 / 42,409
SafariSafari
 — 99.86% 46,495 / 46,561 99.98% 212,654 / 212,696 — —
EdgeEdge
 100.0% 139,996 / 140,003 100.0% 1,445 / 1,445 — 100.0% 4,159 / 4,159 99.11% 665 / 671
FirefoxFirefox
 99.96% 51,707 / 51,726 99.92% 7,163 / 7,169 — 0.98% 1 / 102 98.36% 5,769 / 5,865