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Codec: avc1.640015

15.56% Encoder Support
334,082 of 2,147,167 sessions supported encoding
99.8% Decoder Support
2,092,013 of 2,096,178 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,167 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 62 / 866,249 0.12% 124 / 100,519 — 0.02% 134 / 649,391 0.29% 128 / 43,682
SafariSafari
 — 99.79% 47,960 / 48,060 99.96% 218,195 / 218,275 — —
EdgeEdge
 0.0% 7 / 143,922 0.07% 1 / 1,390 — 0.0% 0 / 4,298 0.0% 0 / 665
FirefoxFirefox
 95.97% 51,467 / 53,631 99.92% 7,401 / 7,407 — 0.0% 0 / 116 98.08% 5,931 / 6,047

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,178 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 843,657 / 843,868 99.8% 96,642 / 96,835 — 99.64% 637,279 / 639,555 98.28% 41,774 / 42,506
SafariSafari
 — 99.87% 46,588 / 46,647 99.98% 212,591 / 212,632 — —
EdgeEdge
 99.99% 139,902 / 139,920 100.0% 1,346 / 1,346 — 100.0% 4,222 / 4,222 99.39% 654 / 658
FirefoxFirefox
 99.98% 51,804 / 51,815 99.94% 7,148 / 7,152 — 0.0% 0 / 107 98.49% 5,731 / 5,819