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Codec: avc1.4d101e

98.94% Encoder Support
317,773 of 321,163 sessions supported encoding
99.93% Decoder Support
269,653 of 269,832 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 321,163 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,236 / 144,240 99.89% 19,692 / 19,714 — 97.43% 62,274 / 63,917 98.0% 7,583 / 7,738
SafariSafari
 — 99.92% 8,667 / 8,674 99.99% 31,180 / 31,184 — —
EdgeEdge
 99.81% 30,787 / 30,847 100.0% 391 / 391 — 98.76% 956 / 968 98.57% 69 / 70
FirefoxFirefox
 96.13% 9,565 / 9,950 100.0% 1,315 / 1,315 — 0.0% 0 / 40 99.09% 1,308 / 1,320

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,832 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,590 / 121,632 99.91% 16,059 / 16,074 — 99.99% 53,889 / 53,894 99.26% 6,473 / 6,521
SafariSafari
 — 99.92% 7,263 / 7,269 99.99% 25,576 / 25,579 — —
EdgeEdge
 99.99% 26,871 / 26,873 100.0% 354 / 354 — 100.0% 895 / 895 100.0% 61 / 61
FirefoxFirefox
 99.99% 8,095 / 8,096 100.0% 1,095 / 1,095 — 0.0% 0 / 30 99.26% 1,077 / 1,085