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Codec: avc1.421414

4.07% Encoder Support
13,049 of 320,692 sessions supported encoding
99.93% Decoder Support
269,585 of 269,772 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 320,692 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 45 / 144,564 0.14% 27 / 19,595 — 0.14% 91 / 63,236 0.88% 69 / 7,840
SafariSafari
 — 2.0% 170 / 8,515 1.52% 475 / 31,244 — —
EdgeEdge
 0.03% 9 / 30,908 0.0% 0 / 360 — 0.0% 0 / 964 0.0% 0 / 61
FirefoxFirefox
 96.0% 9,509 / 9,905 99.93% 1,347 / 1,348 — 0.0% 0 / 41 98.31% 1,277 / 1,299

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,772 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 122,078 / 122,119 99.92% 15,982 / 15,994 — 99.99% 53,368 / 53,372 98.97% 6,536 / 6,604
SafariSafari
 — 99.92% 7,151 / 7,157 99.98% 25,670 / 25,676 — —
EdgeEdge
 100.0% 26,891 / 26,891 100.0% 320 / 320 — 100.0% 885 / 885 100.0% 58 / 58
FirefoxFirefox
 100.0% 8,108 / 8,108 100.0% 1,107 / 1,107 — 0.0% 0 / 28 99.44% 1,060 / 1,066