← Back to Codec Support Table

Codec: avc1.42080b

3.37% Encoder Support
72,275 of 2,146,112 sessions supported encoding
99.8% Decoder Support
2,091,073 of 2,095,185 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,112 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 242 / 866,133 0.15% 154 / 100,749 — 0.3% 1,968 / 648,715 0.83% 365 / 43,774
SafariSafari
 — 1.47% 704 / 48,035 1.86% 4,063 / 218,563 — —
EdgeEdge
 0.02% 27 / 143,412 0.07% 1 / 1,453 — 0.0% 0 / 4,237 0.3% 2 / 672
FirefoxFirefox
 95.92% 51,059 / 53,232 99.97% 7,470 / 7,472 — 0.0% 0 / 106 97.92% 6,039 / 6,167

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,185 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,579 / 843,748 99.8% 96,955 / 97,145 — 99.65% 636,376 / 638,635 98.26% 41,813 / 42,552
SafariSafari
 — 99.82% 46,572 / 46,658 99.98% 213,016 / 213,058 — —
EdgeEdge
 100.0% 139,399 / 139,405 100.0% 1,407 / 1,407 — 100.0% 4,156 / 4,156 99.25% 662 / 667
FirefoxFirefox
 99.97% 51,436 / 51,453 99.96% 7,245 / 7,248 — 0.0% 0 / 99 98.37% 5,843 / 5,940