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Codec: avc1.64100b

3.96% Encoder Support
12,694 of 320,583 sessions supported encoding
99.93% Decoder Support
269,298 of 269,484 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,583 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 14 / 144,196 0.09% 18 / 19,740 — 0.02% 10 / 63,511 0.23% 18 / 7,692
SafariSafari
 — 1.91% 168 / 8,807 1.57% 488 / 31,123 — —
EdgeEdge
 0.0% 1 / 30,931 0.0% 0 / 345 — 0.0% 0 / 966 0.0% 0 / 66
FirefoxFirefox
 96.05% 9,399 / 9,786 100.0% 1,283 / 1,283 — 0.0% 0 / 34 98.15% 1,271 / 1,295

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,484 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,702 / 121,734 99.89% 16,100 / 16,117 — 99.99% 53,610 / 53,618 98.99% 6,437 / 6,503
SafariSafari
 — 99.92% 7,369 / 7,375 99.98% 25,468 / 25,472 — —
EdgeEdge
 100.0% 26,898 / 26,899 100.0% 298 / 298 — 100.0% 881 / 881 98.31% 58 / 59
FirefoxFirefox
 99.99% 8,004 / 8,005 100.0% 1,054 / 1,054 — 0.0% 0 / 24 99.06% 1,051 / 1,061