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Codec: avc1.42000a

18.92% Encoder Support
11,883 of 62,811 sessions supported encoding
99.97% Decoder Support
11,785 of 11,789 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,811 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 5 / 27,652 0.16% 7 / 4,316 — 0.17% 20 / 12,076 0.67% 11 / 1,639
SafariSafari
 — 99.94% 1,668 / 1,669 99.96% 7,052 / 7,055 — —
EdgeEdge
 0.0% 0 / 4,986 2.04% 1 / 49 — 0.0% 0 / 111 —
FirefoxFirefox
 95.69% 2,086 / 2,180 99.61% 256 / 257 — 0.0% 0 / 12 98.34% 296 / 301

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,789 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,233 / 5,234 100.0% 672 / 672 — 100.0% 2,212 / 2,212 99.48% 382 / 384
SafariSafari
 — 100.0% 296 / 296 100.0% 1,362 / 1,362 — —
EdgeEdge
 100.0% 988 / 988 100.0% 10 / 10 — 100.0% 27 / 27 —
FirefoxFirefox
 100.0% 421 / 421 100.0% 43 / 43 — — 100.0% 51 / 51