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Codec: avc1.4d0820

86.43% Encoder Support
1,856,247 of 2,147,605 sessions supported encoding
99.8% Decoder Support
2,092,331 of 2,096,463 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,605 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,924 / 867,241 99.75% 100,764 / 101,020 — 97.33% 632,178 / 649,506 96.57% 42,209 / 43,707
SafariSafari
 — 1.5% 721 / 48,096 1.86% 4,056 / 217,934 — —
EdgeEdge
 99.85% 143,081 / 143,291 100.0% 1,506 / 1,506 — 99.32% 4,224 / 4,253 98.95% 660 / 667
FirefoxFirefox
 95.91% 51,406 / 53,599 99.94% 7,233 / 7,237 — 0.0% 0 / 114 98.66% 5,952 / 6,033

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,463 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 844,468 / 844,684 99.8% 97,170 / 97,366 — 99.65% 637,228 / 639,495 98.32% 41,830 / 42,543
SafariSafari
 — 99.84% 46,621 / 46,695 99.98% 212,371 / 212,423 — —
EdgeEdge
 99.99% 139,285 / 139,293 100.0% 1,458 / 1,458 — 100.0% 4,173 / 4,173 99.09% 653 / 659
FirefoxFirefox
 99.97% 51,748 / 51,766 99.91% 6,988 / 6,994 — 0.0% 0 / 105 98.41% 5,698 / 5,790