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Codec: avc1.640816

84.3% Encoder Support
53,181 of 63,084 sessions supported encoding
99.93% Decoder Support
11,729 of 11,737 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 63,084 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.15% 27,471 / 27,706 99.86% 4,402 / 4,408 — 96.31% 11,713 / 12,162 97.76% 1,525 / 1,560
SafariSafari
 — 2.07% 34 / 1,645 1.83% 130 / 7,097 — —
EdgeEdge
 99.86% 5,126 / 5,133 97.83% 45 / 46 — 96.36% 106 / 110 100.0% 16 / 16
FirefoxFirefox
 95.32% 2,015 / 2,114 100.0% 285 / 285 — — 99.64% 275 / 276

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,737 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,136 / 5,138 99.86% 692 / 693 — 100.0% 2,188 / 2,188 99.47% 373 / 375
SafariSafari
 — 100.0% 272 / 272 100.0% 1,418 / 1,418 — —
EdgeEdge
 100.0% 1,017 / 1,017 — — 100.0% 34 / 34 —
FirefoxFirefox
 100.0% 406 / 406 100.0% 52 / 52 — — 100.0% 51 / 51