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Codec: avc1.42003e

87.23% Encoder Support
1,876,149 of 2,150,885 sessions supported encoding
87.43% Decoder Support
1,835,995 of 2,099,979 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,885 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.9% 867,279 / 868,104 99.67% 100,637 / 100,967 — 99.25% 645,567 / 650,440 97.31% 42,654 / 43,834
SafariSafari
 — 1.51% 730 / 48,421 1.86% 4,057 / 218,271 — —
EdgeEdge
 99.97% 143,954 / 143,996 100.0% 1,417 / 1,417 — 99.81% 4,240 / 4,248 98.97% 674 / 681
FirefoxFirefox
 95.83% 51,150 / 53,375 100.0% 7,467 / 7,467 — 0.89% 1 / 112 98.86% 5,980 / 6,049

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,979 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,182 / 845,583 99.67% 96,938 / 97,260 — 99.36% 636,518 / 640,601 97.41% 41,587 / 42,694
SafariSafari
 — 1.55% 729 / 47,026 1.86% 3,963 / 212,691 — —
EdgeEdge
 99.97% 139,955 / 139,996 100.0% 1,363 / 1,363 — 100.0% 4,174 / 4,174 99.11% 670 / 676
FirefoxFirefox
 99.92% 51,664 / 51,703 99.85% 7,211 / 7,222 — 0.98% 1 / 102 98.37% 5,725 / 5,820