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Codec: avc1.4d142a

84.75% Encoder Support
53,586 of 63,230 sessions supported encoding
99.9% Decoder Support
11,974 of 11,986 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,230 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.21% 27,801 / 28,021 99.86% 4,331 / 4,337 — 97.31% 11,816 / 12,143 97.76% 1,572 / 1,608
SafariSafari
 — 2.77% 47 / 1,696 1.75% 121 / 6,932 — —
EdgeEdge
 99.88% 5,015 / 5,021 100.0% 47 / 47 — 99.11% 111 / 112 93.33% 14 / 15
FirefoxFirefox
 95.04% 2,087 / 2,196 100.0% 286 / 286 — — 100.0% 300 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,986 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,348 / 5,350 99.85% 664 / 665 — 100.0% 2,231 / 2,231 98.71% 382 / 387
SafariSafari
 — 100.0% 279 / 279 100.0% 1,419 / 1,419 — —
EdgeEdge
 100.0% 1,019 / 1,019 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 53 / 53 — — 100.0% 48 / 48