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Codec: avc1.640c0a

15.57% Encoder Support
334,651 of 2,148,685 sessions supported encoding
99.8% Decoder Support
2,093,306 of 2,097,556 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,685 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 78 / 867,031 0.12% 119 / 100,446 — 0.02% 148 / 649,444 0.34% 151 / 43,951
SafariSafari
 — 99.72% 48,340 / 48,475 99.97% 218,433 / 218,506 — —
EdgeEdge
 0.0% 4 / 143,734 0.0% 0 / 1,489 — 0.0% 0 / 4,178 0.15% 1 / 674
FirefoxFirefox
 95.82% 51,375 / 53,616 99.92% 7,419 / 7,425 — 0.0% 0 / 141 97.75% 5,861 / 5,996

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,556 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,311 / 844,515 99.79% 96,618 / 96,826 — 99.64% 637,107 / 639,423 98.28% 42,072 / 42,807
SafariSafari
 — 99.83% 47,004 / 47,082 99.98% 212,843 / 212,887 — —
EdgeEdge
 99.99% 139,734 / 139,743 100.0% 1,456 / 1,456 — 100.0% 4,098 / 4,098 99.55% 664 / 667
FirefoxFirefox
 99.96% 51,812 / 51,832 99.97% 7,181 / 7,183 — 0.0% 0 / 125 98.61% 5,667 / 5,747