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Codec: avc1.640415

3.26% Encoder Support
69,960 of 2,148,530 sessions supported encoding
99.8% Decoder Support
2,093,404 of 2,097,579 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,530 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 80 / 867,688 0.11% 106 / 100,755 — 0.02% 126 / 648,176 0.35% 156 / 44,036
SafariSafari
 — 1.47% 704 / 47,763 1.81% 3,975 / 219,065 — —
EdgeEdge
 0.01% 9 / 143,971 0.0% 0 / 1,491 — 0.0% 0 / 4,203 0.0% 0 / 684
FirefoxFirefox
 95.87% 51,435 / 53,653 99.92% 7,407 / 7,413 — 0.0% 0 / 104 97.7% 5,900 / 6,039

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,579 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,204 / 845,388 99.81% 96,969 / 97,155 — 99.64% 635,855 / 638,158 98.3% 42,103 / 42,832
SafariSafari
 — 99.85% 46,346 / 46,414 99.97% 213,286 / 213,342 — —
EdgeEdge
 99.99% 139,952 / 139,959 100.0% 1,451 / 1,451 — 100.0% 4,135 / 4,135 99.11% 671 / 677
FirefoxFirefox
 99.96% 51,889 / 51,910 99.96% 7,182 / 7,185 — 1.04% 1 / 96 98.52% 5,717 / 5,803