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Codec: avc1.640828

84.4% Encoder Support
52,874 of 62,645 sessions supported encoding
99.92% Decoder Support
11,918 of 11,927 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,645 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.08% 27,423 / 27,679 99.93% 4,264 / 4,267 — 96.16% 11,645 / 12,110 97.66% 1,545 / 1,582
SafariSafari
 — 2.42% 38 / 1,568 1.75% 123 / 7,025 — —
EdgeEdge
 99.82% 4,964 / 4,973 97.92% 47 / 48 — 97.25% 106 / 109 —
FirefoxFirefox
 95.15% 2,099 / 2,206 100.0% 283 / 283 — 0.0% 0 / 12 98.97% 288 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,927 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,254 / 5,256 100.0% 638 / 638 — 100.0% 2,274 / 2,274 98.73% 390 / 395
SafariSafari
 — 100.0% 258 / 258 100.0% 1,417 / 1,417 — —
EdgeEdge
 100.0% 1,027 / 1,027 100.0% 10 / 10 — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 439 / 439 100.0% 48 / 48 — — 100.0% 56 / 56