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Codec: avc1.640c16

98.7% Encoder Support
316,556 of 320,737 sessions supported encoding
99.93% Decoder Support
269,179 of 269,356 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,737 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 143,615 / 144,646 99.84% 19,580 / 19,612 — 96.28% 61,308 / 63,679 97.36% 7,549 / 7,754
SafariSafari
 — 99.91% 8,503 / 8,511 99.99% 31,259 / 31,262 — —
EdgeEdge
 99.81% 30,630 / 30,688 100.0% 354 / 354 — 98.26% 960 / 977 100.0% 65 / 65
FirefoxFirefox
 96.2% 9,417 / 9,789 100.0% 1,290 / 1,290 — 0.0% 0 / 32 98.91% 1,266 / 1,280

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,356 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,909 / 121,941 99.88% 15,905 / 15,924 — 99.98% 53,683 / 53,692 99.07% 6,481 / 6,542
SafariSafari
 — 99.89% 7,104 / 7,112 99.99% 25,626 / 25,629 — —
EdgeEdge
 100.0% 26,715 / 26,715 100.0% 314 / 314 — 100.0% 900 / 900 100.0% 57 / 57
FirefoxFirefox
 100.0% 8,012 / 8,012 100.0% 1,050 / 1,050 — 0.0% 0 / 19 99.33% 1,039 / 1,046