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Codec: avc1.421014

18.66% Encoder Support
11,731 of 62,871 sessions supported encoding
99.93% Decoder Support
11,766 of 11,774 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,871 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 8 / 27,684 0.07% 3 / 4,421 — 0.17% 21 / 12,173 0.51% 8 / 1,572
SafariSafari
 — 99.82% 1,645 / 1,648 99.99% 6,986 / 6,987 — —
EdgeEdge
 0.0% 0 / 4,997 1.92% 1 / 52 — 0.0% 0 / 114 0.0% 0 / 15
FirefoxFirefox
 95.29% 2,025 / 2,125 99.65% 285 / 286 — 0.0% 0 / 11 98.32% 292 / 297

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,774 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,187 / 5,188 99.85% 684 / 685 — 100.0% 2,233 / 2,233 98.96% 381 / 385
SafariSafari
 — 100.0% 282 / 282 100.0% 1,359 / 1,359 — —
EdgeEdge
 100.0% 1,008 / 1,008 100.0% 10 / 10 — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 408 / 408 100.0% 53 / 53 — — 100.0% 59 / 59