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Codec: avc1.4d101e

98.83% Encoder Support
62,647 of 63,387 sessions supported encoding
99.92% Decoder Support
12,066 of 12,076 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 63,387 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,722 / 27,945 99.91% 4,301 / 4,305 — 97.33% 11,948 / 12,276 98.08% 1,581 / 1,612
SafariSafari
 — 99.94% 1,669 / 1,670 100.0% 7,016 / 7,016 — —
EdgeEdge
 99.8% 5,027 / 5,037 100.0% 47 / 47 — 97.32% 109 / 112 92.86% 13 / 14
FirefoxFirefox
 94.82% 2,158 / 2,276 100.0% 270 / 270 — 0.0% 0 / 14 99.65% 288 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,076 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,337 / 5,338 99.85% 664 / 665 — 100.0% 2,253 / 2,253 98.99% 391 / 395
SafariSafari
 — 100.0% 267 / 267 100.0% 1,428 / 1,428 — —
EdgeEdge
 100.0% 1,063 / 1,063 100.0% 10 / 10 — 100.0% 39 / 39 —
FirefoxFirefox
 100.0% 422 / 422 100.0% 50 / 50 — — 100.0% 54 / 54