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Codec: avc1.4d1015

15.55% Encoder Support
334,142 of 2,149,045 sessions supported encoding
99.8% Decoder Support
2,093,837 of 2,097,962 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 2,149,045 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 75 / 868,539 0.12% 116 / 100,555 — 0.03% 177 / 649,012 0.34% 147 / 43,753
SafariSafari
 — 99.73% 48,134 / 48,263 99.97% 218,189 / 218,251 — —
EdgeEdge
 0.01% 9 / 143,724 0.14% 2 / 1,477 — 0.0% 0 / 4,268 0.15% 1 / 682
FirefoxFirefox
 95.92% 51,349 / 53,532 99.89% 7,460 / 7,468 — 0.0% 0 / 109 98.0% 5,892 / 6,012

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,962 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,829 / 846,025 99.79% 96,688 / 96,893 — 99.64% 636,797 / 639,082 98.32% 41,848 / 42,561
SafariSafari
 — 99.83% 46,800 / 46,878 99.98% 212,653 / 212,693 — —
EdgeEdge
 100.0% 139,737 / 139,743 100.0% 1,436 / 1,436 — 100.0% 4,204 / 4,204 99.26% 668 / 673
FirefoxFirefox
 99.97% 51,657 / 51,671 99.96% 7,236 / 7,239 — 0.0% 0 / 100 98.5% 5,696 / 5,783