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Codec: avc1.4d041e

86.54% Encoder Support
277,505 of 320,658 sessions supported encoding
99.94% Decoder Support
269,432 of 269,597 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 320,658 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,543 / 144,608 99.88% 19,500 / 19,523 — 97.55% 61,919 / 63,475 97.99% 7,636 / 7,793
SafariSafari
 — 2.01% 172 / 8,541 1.55% 484 / 31,274 — —
EdgeEdge
 99.82% 30,811 / 30,866 100.0% 357 / 357 — 99.21% 1,009 / 1,017 100.0% 60 / 60
FirefoxFirefox
 96.07% 9,312 / 9,693 100.0% 1,340 / 1,340 — 0.0% 0 / 30 99.07% 1,283 / 1,295

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,597 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,948 / 121,983 99.91% 15,894 / 15,909 — 99.99% 53,557 / 53,564 99.06% 6,567 / 6,629
SafariSafari
 — 99.97% 7,156 / 7,158 99.98% 25,703 / 25,709 — —
EdgeEdge
 100.0% 26,857 / 26,857 100.0% 319 / 319 — 100.0% 946 / 946 100.0% 57 / 57
FirefoxFirefox
 100.0% 7,901 / 7,901 100.0% 1,106 / 1,106 — 0.0% 0 / 22 99.44% 1,060 / 1,066