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Codec: avc1.4d0015

18.6% Encoder Support
11,758 of 63,208 sessions supported encoding
99.97% Decoder Support
11,923 of 11,927 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,208 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
0.02% 5 / 27,840 0.12% 5 / 4,282 0.03% 4 / 12,318 0.5% 8 / 1,597
SafariSafari
99.82% 1,648 / 1,651 99.97% 6,981 / 6,983
EdgeEdge
0.0% 0 / 5,111 1.82% 1 / 55 0.0% 0 / 114 0.0% 0 / 14
FirefoxFirefox
95.51% 2,083 / 2,181 100.0% 299 / 299 99.28% 276 / 278

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,927 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,293 / 5,295 99.84% 633 / 634 100.0% 2,238 / 2,238 99.74% 386 / 387
SafariSafari
100.0% 281 / 281 100.0% 1,396 / 1,396
EdgeEdge
100.0% 1,036 / 1,036 100.0% 39 / 39
FirefoxFirefox
100.0% 426 / 426 100.0% 56 / 56 100.0% 44 / 44