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Codec: avc1.4d0429

86.5% Encoder Support
277,414 of 320,711 sessions supported encoding
99.94% Decoder Support
269,438 of 269,605 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 320,711 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,164 / 144,230 99.87% 19,634 / 19,660 — 97.58% 62,171 / 63,714 98.09% 7,606 / 7,754
SafariSafari
 — 2.19% 189 / 8,648 1.46% 458 / 31,298 — —
EdgeEdge
 99.81% 30,854 / 30,914 100.0% 367 / 367 — 98.95% 941 / 951 97.3% 72 / 74
FirefoxFirefox
 96.16% 9,258 / 9,628 100.0% 1,336 / 1,336 — 0.0% 0 / 33 99.14% 1,269 / 1,280

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,605 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,742 / 121,772 99.92% 15,952 / 15,964 — 99.99% 53,656 / 53,663 99.18% 6,533 / 6,587
SafariSafari
 — 99.9% 7,258 / 7,265 99.98% 25,710 / 25,715 — —
EdgeEdge
 100.0% 26,958 / 26,958 100.0% 327 / 327 — 100.0% 869 / 869 97.14% 68 / 70
FirefoxFirefox
 99.99% 7,835 / 7,836 100.0% 1,100 / 1,100 — 0.0% 0 / 26 99.42% 1,028 / 1,034