← Back to Codec Support Table

Codec: avc1.4d100b

15.55% Encoder Support
334,175 of 2,148,856 sessions supported encoding
99.8% Decoder Support
2,093,794 of 2,097,902 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,856 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 81 / 868,080 0.11% 114 / 100,595 — 0.03% 180 / 648,447 0.33% 147 / 44,076
SafariSafari
 — 99.71% 48,047 / 48,188 99.97% 218,136 / 218,210 — —
EdgeEdge
 0.0% 6 / 144,151 0.0% 0 / 1,462 — 0.0% 0 / 4,298 0.0% 0 / 697
FirefoxFirefox
 95.97% 51,345 / 53,500 99.88% 7,517 / 7,526 — 0.0% 0 / 91 97.97% 5,890 / 6,012

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,902 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,565 / 845,735 99.8% 96,784 / 96,975 — 99.65% 636,112 / 638,371 98.3% 42,188 / 42,917
SafariSafari
 — 99.81% 46,685 / 46,774 99.98% 212,606 / 212,659 — —
EdgeEdge
 100.0% 140,143 / 140,149 100.0% 1,416 / 1,416 — 100.0% 4,232 / 4,232 99.13% 687 / 693
FirefoxFirefox
 99.97% 51,725 / 51,742 99.93% 7,260 / 7,265 — 1.2% 1 / 83 98.39% 5,677 / 5,770