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Codec: avc1.4d0c29

86.46% Encoder Support
277,572 of 321,030 sessions supported encoding
99.93% Decoder Support
269,589 of 269,786 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 321,030 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,315 / 144,367 99.85% 19,621 / 19,650 — 97.5% 62,473 / 64,074 97.89% 7,614 / 7,778
SafariSafari
 — 2.04% 176 / 8,634 1.46% 459 / 31,391 — —
EdgeEdge
 99.79% 30,604 / 30,668 99.74% 382 / 383 — 99.19% 975 / 983 98.31% 58 / 59
FirefoxFirefox
 96.19% 9,232 / 9,598 100.0% 1,327 / 1,327 — 0.0% 0 / 31 98.73% 1,247 / 1,263

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,786 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,922 / 121,966 99.86% 15,918 / 15,941 — 99.99% 54,043 / 54,051 98.98% 6,516 / 6,583
SafariSafari
 — 99.92% 7,248 / 7,254 99.98% 25,627 / 25,631 — —
EdgeEdge
 100.0% 26,643 / 26,644 100.0% 337 / 337 — 100.0% 903 / 903 98.18% 54 / 55
FirefoxFirefox
 99.99% 7,855 / 7,856 100.0% 1,103 / 1,103 — 0.0% 0 / 24 99.42% 1,032 / 1,038