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Codec: avc1.42141e

87.33% Encoder Support
1,876,469 of 2,148,608 sessions supported encoding
99.81% Decoder Support
2,093,593 of 2,097,652 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,608 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 865,993 / 866,619 99.82% 100,873 / 101,053 — 99.51% 646,900 / 650,115 98.11% 42,725 / 43,549
SafariSafari
 — 1.64% 790 / 48,103 1.83% 4,001 / 218,625 — —
EdgeEdge
 99.99% 144,039 / 144,048 100.0% 1,457 / 1,457 — 99.79% 4,200 / 4,209 98.67% 669 / 678
FirefoxFirefox
 95.94% 50,930 / 53,088 99.96% 7,474 / 7,477 — 0.9% 1 / 111 98.77% 5,965 / 6,039

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,652 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,981 / 844,189 99.82% 97,141 / 97,321 — 99.65% 638,024 / 640,285 98.39% 41,650 / 42,330
SafariSafari
 — 99.81% 46,650 / 46,737 99.98% 212,945 / 212,987 — —
EdgeEdge
 99.99% 140,045 / 140,053 100.0% 1,408 / 1,408 — 100.0% 4,137 / 4,137 99.11% 668 / 674
FirefoxFirefox
 99.98% 51,300 / 51,312 99.94% 7,259 / 7,263 — 0.95% 1 / 105 98.4% 5,711 / 5,804