← Back to Codec Support Table

Codec: avc1.4d102a

98.86% Encoder Support
62,311 of 63,031 sessions supported encoding
99.94% Decoder Support
11,892 of 11,899 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,031 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.12% 27,381 / 27,624 99.89% 4,523 / 4,528 — 97.42% 11,909 / 12,224 98.21% 1,540 / 1,568
SafariSafari
 — 100.0% 1,691 / 1,691 100.0% 6,957 / 6,957 — —
EdgeEdge
 99.78% 5,038 / 5,049 100.0% 50 / 50 — 97.37% 111 / 114 —
FirefoxFirefox
 95.35% 2,029 / 2,128 100.0% 285 / 285 — — 99.65% 288 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,899 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,246 / 5,246 99.54% 652 / 655 — 100.0% 2,188 / 2,188 99.47% 373 / 375
SafariSafari
 — 100.0% 285 / 285 100.0% 1,442 / 1,442 — —
EdgeEdge
 100.0% 1,067 / 1,067 — — 100.0% 33 / 33 —
FirefoxFirefox
 100.0% 407 / 407 100.0% 57 / 57 — — 100.0% 58 / 58