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Codec: avc1.42141f

85.47% Encoder Support
54,120 of 63,321 sessions supported encoding
99.92% Decoder Support
11,937 of 11,947 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 63,321 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.74% 27,765 / 27,836 99.95% 4,336 / 4,338 — 99.68% 12,274 / 12,313 98.82% 1,588 / 1,607
SafariSafari
 — 2.97% 49 / 1,648 1.59% 112 / 7,037 — —
EdgeEdge
 100.0% 5,095 / 5,095 98.15% 53 / 54 — 100.0% 103 / 103 —
FirefoxFirefox
 95.81% 2,125 / 2,218 100.0% 281 / 281 — 0.0% 0 / 11 99.32% 292 / 294

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,947 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,224 / 5,226 99.85% 663 / 664 — 100.0% 2,279 / 2,279 98.75% 396 / 401
SafariSafari
 — 100.0% 279 / 279 100.0% 1,389 / 1,389 — —
EdgeEdge
 100.0% 1,069 / 1,069 — — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 408 / 408 100.0% 52 / 52 — — 100.0% 55 / 55