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Codec: avc1.4d001e

98.72% Encoder Support
2,118,897 of 2,146,476 sessions supported encoding
99.8% Decoder Support
2,090,916 of 2,095,120 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 2,146,476 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 861,664 / 866,897 99.76% 100,154 / 100,394 — 97.34% 631,741 / 649,037 96.68% 42,483 / 43,941
SafariSafari
 — 99.77% 48,200 / 48,311 99.98% 217,643 / 217,680 — —
EdgeEdge
 99.86% 143,012 / 143,219 100.0% 1,495 / 1,495 — 99.5% 4,205 / 4,226 98.49% 716 / 727
FirefoxFirefox
 95.81% 51,302 / 53,548 100.0% 7,437 / 7,437 — 0.0% 0 / 110 98.74% 5,934 / 6,010

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,120 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 844,058 / 844,279 99.81% 96,527 / 96,707 — 99.63% 636,703 / 639,068 98.36% 42,069 / 42,770
SafariSafari
 — 99.85% 46,838 / 46,908 99.98% 212,003 / 212,040 — —
EdgeEdge
 99.99% 139,170 / 139,180 100.0% 1,464 / 1,464 — 100.0% 4,126 / 4,126 98.61% 710 / 720
FirefoxFirefox
 99.96% 51,738 / 51,757 100.0% 7,191 / 7,191 — 0.0% 0 / 97 98.4% 5,671 / 5,763