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Codec: avc1.4d0429

84.64% Encoder Support
53,260 of 62,923 sessions supported encoding
99.94% Decoder Support
11,842 of 11,849 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,923 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,449 / 27,687 99.89% 4,404 / 4,409 — 97.33% 11,934 / 12,261 97.93% 1,511 / 1,543
SafariSafari
 — 2.73% 45 / 1,649 1.47% 103 / 6,991 — —
EdgeEdge
 99.78% 4,937 / 4,948 100.0% 49 / 49 — 98.18% 108 / 110 —
FirefoxFirefox
 95.54% 2,098 / 2,196 100.0% 275 / 275 — — 99.35% 308 / 310

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,849 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,234 / 5,234 99.86% 712 / 713 — 100.0% 2,210 / 2,210 98.67% 371 / 376
SafariSafari
 — 100.0% 272 / 272 100.0% 1,429 / 1,429 — —
EdgeEdge
 100.0% 992 / 992 — — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 39 / 39 — — 100.0% 64 / 64