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Codec: avc1.4d100a

18.54% Encoder Support
11,678 of 62,981 sessions supported encoding
99.95% Decoder Support
11,906 of 11,912 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,981 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 / 28,072 0.16% 7 / 4,412 — 0.03% 4 / 11,941 0.19% 3 / 1,606
SafariSafari
 — 99.94% 1,693 / 1,694 99.97% 6,868 / 6,870 — —
EdgeEdge
 0.0% 0 / 4,943 0.0% 0 / 47 — 0.0% 0 / 112 0.0% 0 / 11
FirefoxFirefox
 94.23% 2,123 / 2,253 99.64% 276 / 277 — — 99.63% 272 / 273

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
 99.98% 5,362 / 5,363 100.0% 696 / 696 — 100.0% 2,120 / 2,120 98.83% 422 / 427
SafariSafari
 — 100.0% 282 / 282 100.0% 1,368 / 1,368 — —
EdgeEdge
 100.0% 1,033 / 1,033 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 409 / 409 100.0% 48 / 48 — — 100.0% 56 / 56