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Codec: avc1.4d101f

98.86% Encoder Support
62,176 of 62,893 sessions supported encoding
99.97% Decoder Support
11,796 of 11,800 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,893 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.21% 27,237 / 27,454 99.93% 4,340 / 4,343 — 97.26% 11,898 / 12,233 98.54% 1,617 / 1,641
SafariSafari
 — 99.88% 1,682 / 1,684 100.0% 7,132 / 7,132 — —
EdgeEdge
 99.78% 4,934 / 4,945 100.0% 49 / 49 — 100.0% 119 / 119 —
FirefoxFirefox
 95.24% 2,139 / 2,246 100.0% 282 / 282 — — 98.59% 279 / 283

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,800 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,223 / 5,223 99.85% 670 / 671 — 100.0% 2,241 / 2,241 99.5% 396 / 398
SafariSafari
 — 100.0% 266 / 266 100.0% 1,406 / 1,406 — —
EdgeEdge
 100.0% 937 / 937 — — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 428 / 428 100.0% 46 / 46 — — 100.0% 61 / 61