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Codec: avc1.640429

84.27% Encoder Support
53,161 of 63,086 sessions supported encoding
99.93% Decoder Support
11,924 of 11,932 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,086 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.08% 27,395 / 27,649 99.96% 4,461 / 4,463 — 96.33% 11,766 / 12,214 97.66% 1,543 / 1,580
SafariSafari
 — 2.24% 37 / 1,654 1.77% 126 / 7,125 — —
EdgeEdge
 99.88% 4,962 / 4,968 100.0% 57 / 57 — 99.02% 101 / 102 100.0% 11 / 11
FirefoxFirefox
 95.56% 2,068 / 2,164 100.0% 306 / 306 — — 99.31% 287 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,932 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.92% 5,244 / 5,248 99.86% 699 / 700 — 100.0% 2,213 / 2,213 99.51% 407 / 409
SafariSafari
 — 100.0% 265 / 265 100.0% 1,430 / 1,430 — —
EdgeEdge
 100.0% 1,031 / 1,031 100.0% 10 / 10 — 100.0% 27 / 27 —
FirefoxFirefox
 100.0% 408 / 408 100.0% 55 / 55 — — 100.0% 57 / 57