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Codec: avc1.421416

85.55% Encoder Support
53,989 of 63,109 sessions supported encoding
99.96% Decoder Support
11,908 of 11,913 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,109 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.71% 27,793 / 27,875 99.98% 4,386 / 4,387 — 99.76% 12,205 / 12,234 98.66% 1,624 / 1,646
SafariSafari
 — 2.28% 38 / 1,666 1.83% 127 / 6,922 — —
EdgeEdge
 100.0% 4,861 / 4,861 100.0% 47 / 47 — 100.0% 112 / 112 —
FirefoxFirefox
 95.11% 2,118 / 2,227 100.0% 309 / 309 — — 97.89% 324 / 331

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,913 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,259 / 5,260 100.0% 702 / 702 — 100.0% 2,226 / 2,226 99.28% 411 / 414
SafariSafari
 — 100.0% 278 / 278 100.0% 1,358 / 1,358 — —
EdgeEdge
 100.0% 1,057 / 1,057 — — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 395 / 395 100.0% 51 / 51 — — 100.0% 70 / 70