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Codec: avc1.641020

86.25% Encoder Support
276,808 of 320,931 sessions supported encoding
99.93% Decoder Support
269,548 of 269,738 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,931 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,299 / 144,375 99.86% 19,672 / 19,699 — 96.26% 61,435 / 63,819 97.11% 7,566 / 7,791
SafariSafari
 — 2.16% 185 / 8,549 1.52% 475 / 31,290 — —
EdgeEdge
 99.8% 30,830 / 30,891 100.0% 378 / 378 — 98.15% 953 / 971 98.44% 63 / 64
FirefoxFirefox
 96.04% 9,269 / 9,651 100.0% 1,296 / 1,296 — 0.0% 0 / 35 98.65% 1,318 / 1,336

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,738 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,992 / 122,029 99.89% 15,951 / 15,969 — 99.98% 53,718 / 53,727 99.01% 6,532 / 6,597
SafariSafari
 — 99.92% 7,145 / 7,151 99.97% 25,626 / 25,633 — —
EdgeEdge
 100.0% 26,917 / 26,917 100.0% 340 / 340 — 100.0% 892 / 892 98.28% 57 / 58
FirefoxFirefox
 99.97% 7,862 / 7,864 100.0% 1,080 / 1,080 — 0.0% 0 / 25 99.26% 1,080 / 1,088