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Codec: avc1.640815

3.97% Encoder Support
12,710 of 320,194 sessions supported encoding
99.94% Decoder Support
269,171 of 269,341 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,194 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 15 / 143,700 0.14% 27 / 19,670 — 0.01% 8 / 63,342 0.41% 32 / 7,816
SafariSafari
 — 2.02% 176 / 8,715 1.42% 447 / 31,370 — —
EdgeEdge
 0.0% 1 / 30,991 0.0% 0 / 365 — 0.0% 0 / 947 0.0% 0 / 64
FirefoxFirefox
 96.32% 9,319 / 9,675 100.0% 1,367 / 1,367 — 0.0% 0 / 31 98.7% 1,295 / 1,312

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,341 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,261 / 121,280 99.87% 16,144 / 16,165 — 99.99% 53,445 / 53,453 98.97% 6,523 / 6,591
SafariSafari
 — 99.92% 7,299 / 7,305 99.98% 25,798 / 25,804 — —
EdgeEdge
 100.0% 27,006 / 27,007 100.0% 319 / 319 — 100.0% 865 / 865 96.55% 56 / 58
FirefoxFirefox
 99.97% 7,882 / 7,884 100.0% 1,113 / 1,113 — 0.0% 0 / 20 99.53% 1,068 / 1,073