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Codec: avc1.4d0c1e

84.73% Encoder Support
53,248 of 62,847 sessions supported encoding
99.96% Decoder Support
11,970 of 11,975 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,847 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.24% 27,577 / 27,788 99.93% 4,369 / 4,372 — 97.43% 11,754 / 12,064 98.25% 1,514 / 1,541
SafariSafari
 — 2.17% 35 / 1,615 1.6% 112 / 7,015 — —
EdgeEdge
 99.9% 5,005 / 5,010 100.0% 45 / 45 — 98.0% 98 / 100 —
FirefoxFirefox
 95.81% 2,148 / 2,242 100.0% 264 / 264 — 0.0% 0 / 15 99.3% 284 / 286

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,975 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,275 / 5,275 100.0% 687 / 687 — 100.0% 2,268 / 2,268 99.47% 376 / 378
SafariSafari
 — 100.0% 258 / 258 100.0% 1,425 / 1,425 — —
EdgeEdge
 100.0% 1,076 / 1,076 — — 100.0% 20 / 20 —
FirefoxFirefox
 100.0% 384 / 384 100.0% 52 / 52 — — 100.0% 59 / 59