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Codec: avc1.4d0c2a

84.53% Encoder Support
53,390 of 63,158 sessions supported encoding
99.87% Decoder Support
11,967 of 11,982 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,158 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.12% 27,458 / 27,701 99.91% 4,349 / 4,353 — 97.55% 11,856 / 12,154 98.0% 1,613 / 1,646
SafariSafari
 — 2.17% 37 / 1,702 1.45% 102 / 7,049 — —
EdgeEdge
 99.92% 5,089 / 5,093 100.0% 40 / 40 — 99.07% 107 / 108 100.0% 14 / 14
FirefoxFirefox
 95.45% 2,121 / 2,222 100.0% 264 / 264 — — 99.67% 299 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,982 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,240 / 5,243 99.7% 674 / 676 — 100.0% 2,291 / 2,291 98.18% 377 / 384
SafariSafari
 — 100.0% 283 / 283 100.0% 1,381 / 1,381 — —
EdgeEdge
 100.0% 1,045 / 1,045 — — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 438 / 438 100.0% 50 / 50 — — 100.0% 62 / 62