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Codec: avc1.4d100d

18.44% Encoder Support
11,601 of 62,916 sessions supported encoding
99.96% Decoder Support
11,890 of 11,895 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,916 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 27,730 0.21% 9 / 4,321 — 0.03% 4 / 12,316 0.25% 4 / 1,594
SafariSafari
 — 99.81% 1,607 / 1,610 99.97% 6,898 / 6,900 — —
EdgeEdge
 0.0% 0 / 5,059 0.0% 0 / 52 — 0.0% 0 / 117 —
FirefoxFirefox
 95.36% 2,053 / 2,153 100.0% 294 / 294 — — 98.97% 289 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,895 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,214 / 5,215 99.85% 652 / 653 — 100.0% 2,300 / 2,300 99.5% 398 / 400
SafariSafari
 — 100.0% 248 / 248 100.0% 1,364 / 1,364 — —
EdgeEdge
 100.0% 1,061 / 1,061 — — 100.0% 33 / 33 —
FirefoxFirefox
 100.0% 420 / 420 100.0% 54 / 54 — — 100.0% 57 / 57