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Codec: avc1.640c0d

16.29% Encoder Support
52,212 of 320,476 sessions supported encoding
99.94% Decoder Support
269,296 of 269,455 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,476 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 16 / 144,489 0.15% 29 / 19,583 — 0.01% 7 / 63,812 0.38% 29 / 7,637
SafariSafari
 — 99.85% 8,560 / 8,573 99.96% 31,235 / 31,249 — —
EdgeEdge
 0.0% 0 / 30,861 0.0% 0 / 353 — 0.0% 0 / 953 0.0% 0 / 66
FirefoxFirefox
 95.73% 9,075 / 9,480 100.0% 1,333 / 1,333 — 0.0% 0 / 34 98.36% 1,260 / 1,281

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,455 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,738 / 121,766 99.86% 15,928 / 15,951 — 99.99% 53,960 / 53,968 99.18% 6,442 / 6,495
SafariSafari
 — 99.93% 7,226 / 7,231 100.0% 25,642 / 25,643 — —
EdgeEdge
 100.0% 26,896 / 26,896 100.0% 311 / 311 — 100.0% 887 / 887 96.61% 57 / 59
FirefoxFirefox
 100.0% 7,723 / 7,723 100.0% 1,076 / 1,076 — 0.0% 0 / 25 99.62% 1,042 / 1,046