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Codec: avc1.640416

86.25% Encoder Support
277,382 of 321,616 sessions supported encoding
99.93% Decoder Support
270,198 of 270,382 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 321,616 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,706 / 144,756 99.85% 19,665 / 19,695 — 96.33% 61,265 / 63,599 97.17% 7,620 / 7,842
SafariSafari
 — 1.87% 161 / 8,614 1.46% 457 / 31,378 — —
EdgeEdge
 99.83% 31,064 / 31,117 99.73% 372 / 373 — 98.77% 963 / 975 98.21% 55 / 56
FirefoxFirefox
 96.0% 9,356 / 9,746 100.0% 1,307 / 1,307 — 0.0% 0 / 34 98.86% 1,300 / 1,315

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,382 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,976 / 122,007 99.88% 16,090 / 16,109 — 99.99% 53,753 / 53,757 98.93% 6,553 / 6,624
SafariSafari
 — 99.89% 7,180 / 7,188 99.99% 25,705 / 25,707 — —
EdgeEdge
 100.0% 27,181 / 27,181 100.0% 331 / 331 — 100.0% 914 / 914 98.04% 50 / 51
FirefoxFirefox
 100.0% 7,941 / 7,941 100.0% 1,061 / 1,061 — 0.0% 0 / 28 99.54% 1,088 / 1,093