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Codec: avc1.4d0828

86.39% Encoder Support
1,856,225 of 2,148,708 sessions supported encoding
99.81% Decoder Support
2,093,487 of 2,097,502 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,708 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 860,888 / 866,089 99.77% 100,235 / 100,468 — 97.34% 632,598 / 649,873 96.63% 42,610 / 44,095
SafariSafari
 — 1.56% 756 / 48,353 1.79% 3,928 / 218,966 — —
EdgeEdge
 99.85% 143,647 / 143,858 100.0% 1,431 / 1,431 — 99.34% 4,183 / 4,211 99.41% 676 / 680
FirefoxFirefox
 96.05% 51,649 / 53,772 99.99% 7,424 / 7,425 — 0.0% 0 / 97 98.62% 5,856 / 5,938

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,502 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,360 / 843,563 99.81% 96,613 / 96,797 — 99.66% 637,673 / 639,876 98.34% 42,190 / 42,900
SafariSafari
 — 99.84% 46,879 / 46,952 99.98% 213,263 / 213,307 — —
EdgeEdge
 99.99% 139,917 / 139,925 100.0% 1,395 / 1,395 — 100.0% 4,127 / 4,127 99.7% 672 / 674
FirefoxFirefox
 99.98% 51,948 / 51,960 99.97% 7,182 / 7,184 — 0.0% 0 / 88 98.52% 5,653 / 5,738