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Codec: avc1.640c29

98.62% Encoder Support
61,980 of 62,849 sessions supported encoding
99.93% Decoder Support
11,867 of 11,875 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 62,849 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,369 / 27,597 99.89% 4,405 / 4,410 — 96.13% 11,742 / 12,215 98.06% 1,514 / 1,544
SafariSafari
 — 100.0% 1,640 / 1,640 100.0% 7,047 / 7,047 — —
EdgeEdge
 99.76% 4,947 / 4,959 100.0% 47 / 47 — 96.97% 96 / 99 —
FirefoxFirefox
 95.3% 2,068 / 2,170 100.0% 298 / 298 — 0.0% 0 / 12 100.0% 298 / 298

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,875 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,210 / 5,211 99.85% 660 / 661 — 100.0% 2,219 / 2,219 99.26% 400 / 403
SafariSafari
 — 100.0% 284 / 284 100.0% 1,437 / 1,437 — —
EdgeEdge
 100.0% 1,025 / 1,025 — — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 404 / 404 100.0% 54 / 54 — — 100.0% 51 / 51