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Codec: avc1.42000d

18.7% Encoder Support
11,835 of 63,273 sessions supported encoding
99.94% Decoder Support
12,029 of 12,036 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,273 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 9 / 27,902 0.09% 4 / 4,388 — 0.17% 21 / 12,283 0.5% 8 / 1,595
SafariSafari
 — 99.94% 1,648 / 1,649 100.0% 7,049 / 7,049 — —
EdgeEdge
 0.0% 0 / 5,019 0.0% 0 / 44 — 0.0% 0 / 108 —
FirefoxFirefox
 95.83% 2,067 / 2,157 100.0% 277 / 277 — — 98.63% 287 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,036 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,283 / 5,285 99.85% 686 / 687 — 100.0% 2,265 / 2,265 99.47% 377 / 379
SafariSafari
 — 100.0% 293 / 293 100.0% 1,439 / 1,439 — —
EdgeEdge
 100.0% 1,064 / 1,064 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 403 / 403 100.0% 49 / 49 — — 100.0% 50 / 50