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Codec: avc1.4d001e

98.86% Encoder Support
62,502 of 63,222 sessions supported encoding
99.97% Decoder Support
11,887 of 11,891 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 63,222 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,602 / 27,825 99.89% 4,356 / 4,361 — 97.46% 11,819 / 12,127 97.79% 1,549 / 1,584
SafariSafari
 — 100.0% 1,642 / 1,642 100.0% 7,065 / 7,065 — —
EdgeEdge
 99.84% 5,117 / 5,125 100.0% 39 / 39 — 100.0% 135 / 135 100.0% 10 / 10
FirefoxFirefox
 94.8% 2,098 / 2,213 100.0% 302 / 302 — 0.0% 0 / 13 98.71% 305 / 309

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,891 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,209 / 5,211 100.0% 674 / 674 — 100.0% 2,158 / 2,158 99.52% 411 / 413
SafariSafari
 — 100.0% 246 / 246 100.0% 1,439 / 1,439 — —
EdgeEdge
 100.0% 1,086 / 1,086 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 422 / 422 100.0% 56 / 56 — — 100.0% 62 / 62