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Codec: avc1.42041e

87.34% Encoder Support
1,874,559 of 2,146,370 sessions supported encoding
99.81% Decoder Support
2,091,382 of 2,095,443 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,370 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 865,108 / 865,738 99.81% 100,733 / 100,922 — 99.5% 646,022 / 649,247 98.02% 43,040 / 43,910
SafariSafari
 — 1.42% 682 / 48,095 1.84% 4,015 / 218,232 — —
EdgeEdge
 100.0% 143,178 / 143,182 99.93% 1,505 / 1,506 — 99.83% 4,205 / 4,212 99.09% 655 / 661
FirefoxFirefox
 96.01% 51,606 / 53,753 99.97% 7,433 / 7,435 — 0.0% 0 / 107 98.79% 5,903 / 5,975

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,443 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,024 / 843,228 99.8% 97,098 / 97,289 — 99.65% 637,089 / 639,347 98.37% 41,975 / 42,672
SafariSafari
 — 99.87% 46,601 / 46,663 99.98% 212,703 / 212,756 — —
EdgeEdge
 100.0% 139,183 / 139,187 100.0% 1,462 / 1,462 — 100.0% 4,136 / 4,136 99.39% 649 / 653
FirefoxFirefox
 99.97% 51,962 / 51,980 99.97% 7,215 / 7,217 — 0.0% 0 / 96 98.4% 5,667 / 5,759