← Back to Codec Support Table

Codec: avc1.420414

4.02% Encoder Support
12,903 of 321,180 sessions supported encoding
99.93% Decoder Support
270,112 of 270,288 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 321,180 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 33 / 144,788 0.16% 31 / 19,536 — 0.15% 96 / 63,610 0.72% 54 / 7,546
SafariSafari
 — 1.96% 168 / 8,577 1.55% 485 / 31,301 — —
EdgeEdge
 0.03% 8 / 31,196 0.0% 0 / 351 — 0.0% 0 / 967 0.0% 0 / 59
FirefoxFirefox
 96.23% 9,339 / 9,705 100.0% 1,347 / 1,347 — 0.0% 0 / 31 97.97% 1,304 / 1,331

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,288 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 122,332 / 122,366 99.88% 15,948 / 15,967 — 99.99% 53,651 / 53,659 98.95% 6,327 / 6,394
SafariSafari
 — 99.93% 7,210 / 7,215 99.99% 25,672 / 25,675 — —
EdgeEdge
 100.0% 27,171 / 27,171 100.0% 310 / 310 — 100.0% 884 / 884 98.25% 56 / 57
FirefoxFirefox
 99.97% 7,942 / 7,944 100.0% 1,121 / 1,121 — 0.0% 0 / 20 99.27% 1,090 / 1,098