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Codec: avc1.4d0029

98.71% Encoder Support
2,121,843 of 2,149,491 sessions supported encoding
99.81% Decoder Support
2,094,385 of 2,098,443 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,491 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,573 / 867,772 99.75% 100,681 / 100,932 — 97.34% 632,404 / 649,654 96.46% 42,305 / 43,856
SafariSafari
 — 99.75% 47,892 / 48,013 99.98% 218,314 / 218,367 — —
EdgeEdge
 99.85% 143,810 / 144,033 100.0% 1,457 / 1,457 — 99.3% 4,228 / 4,258 98.95% 661 / 668
FirefoxFirefox
 95.82% 51,402 / 53,644 99.95% 7,320 / 7,324 — 0.92% 1 / 109 98.72% 5,853 / 5,929

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,443 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,254 / 845,442 99.79% 97,041 / 97,248 — 99.66% 637,490 / 639,665 98.29% 41,918 / 42,647
SafariSafari
 — 99.83% 46,592 / 46,672 99.98% 212,556 / 212,608 — —
EdgeEdge
 100.0% 140,029 / 140,036 100.0% 1,419 / 1,419 — 100.0% 4,184 / 4,184 99.4% 660 / 664
FirefoxFirefox
 99.97% 51,910 / 51,927 99.94% 7,091 / 7,095 — 1.01% 1 / 99 98.49% 5,618 / 5,704