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Codec: avc1.640028

98.44% Encoder Support
2,115,919 of 2,149,473 sessions supported encoding
99.8% Decoder Support
2,094,227 of 2,098,359 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 2,149,473 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 863,129 / 868,553 99.77% 100,711 / 100,947 — 96.49% 626,338 / 649,149 96.14% 42,210 / 43,906
SafariSafari
 — 99.78% 47,943 / 48,050 99.98% 218,320 / 218,362 — —
EdgeEdge
 99.84% 143,471 / 143,695 100.0% 1,441 / 1,441 — 98.79% 4,174 / 4,225 98.82% 670 / 678
FirefoxFirefox
 95.83% 51,340 / 53,576 100.0% 7,304 / 7,304 — 0.0% 0 / 119 98.81% 5,891 / 5,962

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,359 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,714 / 845,922 99.82% 97,074 / 97,248 — 99.65% 637,025 / 639,269 98.2% 41,933 / 42,700
SafariSafari
 — 99.86% 46,613 / 46,677 99.98% 212,683 / 212,725 — —
EdgeEdge
 99.99% 139,812 / 139,824 100.0% 1,401 / 1,401 — 100.0% 4,145 / 4,145 99.11% 665 / 671
FirefoxFirefox
 99.98% 51,791 / 51,802 99.99% 7,061 / 7,062 — 0.0% 0 / 110 98.21% 5,611 / 5,713