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Codec: avc1.42001f

99.64% Encoder Support
2,139,731 of 2,147,532 sessions supported encoding
99.8% Decoder Support
2,092,251 of 2,096,408 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 2,147,532 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 865,742 / 866,350 99.83% 100,608 / 100,784 — 99.51% 646,592 / 649,799 98.04% 43,071 / 43,934
SafariSafari
 — 99.74% 47,625 / 47,747 99.98% 217,983 / 218,030 — —
EdgeEdge
 100.0% 143,549 / 143,555 100.0% 1,472 / 1,472 — 99.79% 4,227 / 4,236 98.87% 703 / 711
FirefoxFirefox
 95.96% 51,682 / 53,856 99.97% 7,453 / 7,455 — 0.0% 0 / 109 98.78% 5,906 / 5,979

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,408 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,698 / 843,902 99.82% 96,841 / 97,018 — 99.64% 637,613 / 639,927 98.28% 42,014 / 42,748
SafariSafari
 — 99.84% 46,292 / 46,367 99.98% 212,392 / 212,439 — —
EdgeEdge
 100.0% 139,476 / 139,481 100.0% 1,438 / 1,438 — 100.0% 4,161 / 4,161 99.15% 702 / 708
FirefoxFirefox
 99.98% 52,033 / 52,046 99.96% 7,214 / 7,217 — 0.0% 0 / 101 98.5% 5,662 / 5,748