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Codec: avc1.64040d

4.44% Encoder Support
2,793 of 62,839 sessions supported encoding
99.92% Decoder Support
11,857 of 11,866 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 62,839 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 6 / 27,744 0.12% 5 / 4,343 — 0.02% 3 / 12,063 0.18% 3 / 1,630
SafariSafari
 — 2.26% 38 / 1,681 1.29% 90 / 6,968 — —
EdgeEdge
 0.0% 0 / 5,022 0.0% 0 / 51 — 0.0% 0 / 110 —
FirefoxFirefox
 95.24% 2,079 / 2,183 100.0% 287 / 287 — 0.0% 0 / 10 99.64% 273 / 274

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,866 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,227 / 5,227 99.86% 693 / 694 — 100.0% 2,229 / 2,229 98.49% 392 / 398
SafariSafari
 — 100.0% 261 / 261 100.0% 1,407 / 1,407 — —
EdgeEdge
 100.0% 1,044 / 1,044 — — 100.0% 33 / 33 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 50 / 50 — — 100.0% 48 / 48