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Codec: avc1.640029

98.69% Encoder Support
315,637 of 319,833 sessions supported encoding
99.93% Decoder Support
268,643 of 268,818 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,833 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 142,712 / 143,790 99.86% 19,539 / 19,567 — 96.29% 61,363 / 63,727 97.35% 7,422 / 7,624
SafariSafari
 — 99.97% 8,569 / 8,572 99.99% 31,154 / 31,158 — —
EdgeEdge
 99.81% 30,787 / 30,845 100.0% 358 / 358 — 98.25% 898 / 914 100.0% 59 / 59
FirefoxFirefox
 96.13% 9,373 / 9,750 100.0% 1,317 / 1,317 — 0.0% 0 / 25 98.7% 1,292 / 1,309

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,818 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,160 / 121,201 99.89% 15,997 / 16,015 — 99.99% 53,860 / 53,867 99.0% 6,339 / 6,403
SafariSafari
 — 99.97% 7,205 / 7,207 99.98% 25,445 / 25,449 — —
EdgeEdge
 100.0% 26,895 / 26,896 100.0% 311 / 311 — 100.0% 852 / 852 100.0% 50 / 50
FirefoxFirefox
 100.0% 7,988 / 7,988 100.0% 1,082 / 1,082 — 0.0% 0 / 21 99.53% 1,062 / 1,067