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Codec: avc1.4d141e

86.39% Encoder Support
1,856,714 of 2,149,281 sessions supported encoding
99.81% Decoder Support
2,094,075 of 2,098,091 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 2,149,281 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,372 / 867,707 99.75% 100,344 / 100,592 — 97.38% 632,391 / 649,418 96.62% 42,334 / 43,817
SafariSafari
 — 1.51% 728 / 48,153 1.8% 3,943 / 219,181 — —
EdgeEdge
 99.86% 143,253 / 143,452 99.93% 1,410 / 1,411 — 99.13% 4,232 / 4,269 98.08% 664 / 677
FirefoxFirefox
 95.82% 51,432 / 53,675 99.99% 7,288 / 7,289 — 0.91% 1 / 110 98.92% 5,951 / 6,016

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,091 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,968 / 845,158 99.8% 96,676 / 96,869 — 99.66% 637,364 / 639,540 98.36% 41,881 / 42,578
SafariSafari
 — 99.82% 46,649 / 46,734 99.98% 213,466 / 213,516 — —
EdgeEdge
 99.99% 139,574 / 139,582 100.0% 1,366 / 1,366 — 100.0% 4,196 / 4,196 98.36% 661 / 672
FirefoxFirefox
 99.97% 51,816 / 51,834 99.99% 7,063 / 7,064 — 1.06% 1 / 94 98.6% 5,699 / 5,780