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Codec: avc1.420014

18.9% Encoder Support
11,886 of 62,878 sessions supported encoding
99.93% Decoder Support
11,904 of 11,912 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 62,878 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.04% 12 / 27,749 0.16% 7 / 4,353 — 0.13% 16 / 12,027 0.75% 12 / 1,592
SafariSafari
 — 99.94% 1,674 / 1,675 99.96% 7,096 / 7,099 — —
EdgeEdge
 0.0% 0 / 5,005 0.0% 0 / 52 — 0.0% 0 / 107 0.0% 0 / 10
FirefoxFirefox
 95.27% 2,074 / 2,177 100.0% 268 / 268 — — 99.64% 276 / 277

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,912 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,214 / 5,216 99.72% 703 / 705 — 100.0% 2,195 / 2,195 99.25% 398 / 401
SafariSafari
 — 100.0% 283 / 283 100.0% 1,415 / 1,415 — —
EdgeEdge
 100.0% 1,027 / 1,027 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 416 / 416 100.0% 48 / 48 — — 100.0% 64 / 64