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Codec: avc1.4d0c20

84.7% Encoder Support
53,299 of 62,929 sessions supported encoding
99.92% Decoder Support
11,914 of 11,924 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,929 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.19% 27,437 / 27,660 99.95% 4,362 / 4,364 — 97.54% 11,952 / 12,253 97.82% 1,527 / 1,561
SafariSafari
 — 2.18% 35 / 1,607 1.85% 130 / 7,040 — —
EdgeEdge
 99.9% 5,006 / 5,011 100.0% 38 / 38 — 99.12% 113 / 114 91.67% 11 / 12
FirefoxFirefox
 95.32% 2,117 / 2,221 100.0% 260 / 260 — 0.0% 0 / 12 99.29% 278 / 280

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,924 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,191 / 5,194 99.86% 694 / 695 — 100.0% 2,193 / 2,193 98.98% 389 / 393
SafariSafari
 — 100.0% 297 / 297 100.0% 1,441 / 1,441 — —
EdgeEdge
 100.0% 1,053 / 1,053 100.0% 10 / 10 — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 428 / 428 100.0% 47 / 47 — — 100.0% 63 / 63