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Codec: avc1.420c14

4.48% Encoder Support
2,822 of 63,014 sessions supported encoding
99.93% Decoder Support
11,862 of 11,870 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 63,014 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.04% 11 / 27,622 0.19% 8 / 4,281 — 0.18% 22 / 12,309 0.75% 12 / 1,609
SafariSafari
 — 2.37% 40 / 1,687 1.83% 130 / 7,093 — —
EdgeEdge
 0.0% 0 / 5,054 0.0% 0 / 49 — 0.0% 0 / 110 0.0% 0 / 12
FirefoxFirefox
 95.48% 2,028 / 2,124 100.0% 273 / 273 — — 97.55% 279 / 286

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,870 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,191 / 5,191 99.69% 640 / 642 — 100.0% 2,251 / 2,251 98.98% 388 / 392
SafariSafari
 — 100.0% 270 / 270 100.0% 1,524 / 1,524 — —
EdgeEdge
 100.0% 1,001 / 1,001 — — 100.0% 34 / 34 —
FirefoxFirefox
 100.0% 382 / 382 100.0% 45 / 45 — — 100.0% 45 / 45