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Codec: avc1.4d0015

15.55% Encoder Support
333,792 of 2,146,561 sessions supported encoding
99.8% Decoder Support
2,091,138 of 2,095,256 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,561 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 69 / 865,749 0.11% 109 / 100,079 — 0.03% 178 / 650,051 0.4% 174 / 43,600
SafariSafari
 — 99.73% 47,795 / 47,923 99.96% 218,147 / 218,224 — —
EdgeEdge
 0.0% 6 / 144,082 0.2% 3 / 1,466 — 0.0% 0 / 4,134 0.31% 2 / 650
FirefoxFirefox
 95.83% 51,492 / 53,731 99.93% 7,385 / 7,390 — 0.0% 0 / 120 97.93% 5,784 / 5,906

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,256 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,008 / 843,202 99.83% 96,270 / 96,431 — 99.64% 637,667 / 639,971 98.31% 41,675 / 42,390
SafariSafari
 — 99.83% 46,467 / 46,547 99.98% 212,570 / 212,622 — —
EdgeEdge
 100.0% 140,000 / 140,007 100.0% 1,418 / 1,418 — 100.0% 4,059 / 4,059 99.06% 635 / 641
FirefoxFirefox
 99.97% 51,962 / 51,976 99.96% 7,144 / 7,147 — 1.77% 2 / 113 98.55% 5,589 / 5,671