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Codec: avc1.42101f

99.64% Encoder Support
2,141,595 of 2,149,326 sessions supported encoding
99.81% Decoder Support
2,094,358 of 2,098,370 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,326 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 866,730 / 867,345 99.8% 100,351 / 100,550 — 99.53% 646,598 / 649,671 97.99% 43,153 / 44,040
SafariSafari
 — 99.77% 47,856 / 47,966 99.98% 218,810 / 218,861 — —
EdgeEdge
 99.99% 144,144 / 144,157 100.0% 1,480 / 1,480 — 99.73% 4,139 / 4,150 99.07% 641 / 647
FirefoxFirefox
 95.92% 51,362 / 53,548 99.99% 7,291 / 7,292 — 1.01% 1 / 99 98.73% 5,977 / 6,054

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,370 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,708 / 844,903 99.79% 96,672 / 96,873 — 99.66% 637,562 / 639,711 98.3% 42,090 / 42,816
SafariSafari
 — 99.83% 46,562 / 46,639 99.98% 213,264 / 213,315 — —
EdgeEdge
 99.99% 140,180 / 140,193 100.0% 1,437 / 1,437 — 100.0% 4,071 / 4,071 99.38% 637 / 641
FirefoxFirefox
 99.96% 51,716 / 51,736 99.96% 7,058 / 7,061 — 1.08% 1 / 93 98.54% 5,736 / 5,821