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Codec: avc1.4d001e

98.97% Encoder Support
317,533 of 320,836 sessions supported encoding
99.93% Decoder Support
269,298 of 269,480 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,836 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.31% 143,313 / 144,309 99.84% 19,856 / 19,887 — 97.56% 61,917 / 63,463 97.86% 7,626 / 7,793
SafariSafari
 — 99.87% 8,630 / 8,641 99.99% 31,177 / 31,179 — —
EdgeEdge
 99.81% 30,852 / 30,911 100.0% 338 / 338 — 99.39% 972 / 978 97.18% 69 / 71
FirefoxFirefox
 95.93% 9,384 / 9,782 100.0% 1,330 / 1,330 — 0.0% 0 / 42 99.17% 1,312 / 1,323

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,480 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,654 / 121,691 99.9% 16,183 / 16,200 — 99.99% 53,490 / 53,494 99.09% 6,562 / 6,622
SafariSafari
 — 99.85% 7,227 / 7,238 99.99% 25,537 / 25,539 — —
EdgeEdge
 100.0% 26,871 / 26,872 100.0% 307 / 307 — 100.0% 878 / 878 96.88% 62 / 64
FirefoxFirefox
 100.0% 7,991 / 7,991 100.0% 1,084 / 1,084 — 0.0% 0 / 29 99.63% 1,072 / 1,076