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Codec: avc1.42141f

87.32% Encoder Support
1,877,419 of 2,150,102 sessions supported encoding
99.8% Decoder Support
2,094,576 of 2,098,709 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 2,150,102 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 866,927 / 867,551 99.8% 100,617 / 100,814 — 99.49% 646,676 / 649,961 98.0% 43,036 / 43,915
SafariSafari
 — 1.55% 747 / 48,299 1.85% 4,039 / 218,897 — —
EdgeEdge
 100.0% 143,279 / 143,283 99.93% 1,454 / 1,455 — 99.77% 4,278 / 4,288 99.25% 659 / 664
FirefoxFirefox
 95.98% 51,668 / 53,833 99.97% 7,594 / 7,596 — 0.93% 1 / 107 98.65% 5,940 / 6,021

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,709 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,737 / 844,939 99.79% 96,939 / 97,140 — 99.64% 637,621 / 639,927 98.31% 41,987 / 42,709
SafariSafari
 — 99.84% 46,850 / 46,923 99.98% 213,198 / 213,239 — —
EdgeEdge
 100.0% 139,253 / 139,257 100.0% 1,408 / 1,408 — 100.0% 4,216 / 4,216 99.39% 653 / 657
FirefoxFirefox
 99.98% 52,010 / 52,023 99.97% 7,365 / 7,367 — 1.02% 1 / 98 98.22% 5,679 / 5,782