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Codec: avc1.4d0028

98.81% Encoder Support
61,925 of 62,673 sessions supported encoding
99.92% Decoder Support
11,742 of 11,751 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,673 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,640 / 27,863 99.91% 4,341 / 4,345 — 97.16% 11,743 / 12,086 97.9% 1,538 / 1,571
SafariSafari
 — 99.94% 1,622 / 1,623 100.0% 6,882 / 6,882 — —
EdgeEdge
 99.8% 4,890 / 4,900 100.0% 45 / 45 — 100.0% 106 / 106 —
FirefoxFirefox
 94.95% 2,085 / 2,196 100.0% 256 / 256 — 0.0% 0 / 13 98.71% 306 / 310

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,751 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,152 / 5,155 99.85% 687 / 688 — 100.0% 2,248 / 2,248 98.95% 376 / 380
SafariSafari
 — 100.0% 258 / 258 100.0% 1,402 / 1,402 — —
EdgeEdge
 100.0% 1,013 / 1,013 — — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 381 / 381 100.0% 46 / 46 — — 100.0% 70 / 70