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Codec: avc1.4d0016

98.97% Encoder Support
317,151 of 320,439 sessions supported encoding
99.93% Decoder Support
269,531 of 269,710 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,439 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,268 / 144,275 99.86% 19,649 / 19,676 — 97.6% 61,763 / 63,279 97.96% 7,697 / 7,857
SafariSafari
 — 99.88% 8,604 / 8,614 99.99% 31,069 / 31,072 — —
EdgeEdge
 99.78% 30,880 / 30,947 100.0% 399 / 399 — 98.78% 972 / 984 100.0% 69 / 69
FirefoxFirefox
 95.88% 9,357 / 9,759 100.0% 1,340 / 1,340 — 0.0% 0 / 38 99.01% 1,299 / 1,312

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,710 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,872 / 121,897 99.91% 16,010 / 16,025 — 99.99% 53,467 / 53,475 99.05% 6,578 / 6,641
SafariSafari
 — 99.86% 7,257 / 7,267 99.99% 25,519 / 25,522 — —
EdgeEdge
 100.0% 26,980 / 26,981 100.0% 352 / 352 — 100.0% 902 / 902 100.0% 65 / 65
FirefoxFirefox
 99.99% 7,969 / 7,970 100.0% 1,116 / 1,116 — 0.0% 0 / 28 99.26% 1,069 / 1,077