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Codec: avc1.4d1015

18.83% Encoder Support
11,832 of 62,841 sessions supported encoding
99.94% Decoder Support
11,772 of 11,779 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 62,841 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 27,729 0.09% 4 / 4,341 — 0.02% 2 / 12,090 0.38% 6 / 1,573
SafariSafari
 — 99.94% 1,669 / 1,670 100.0% 6,968 / 6,968 — —
EdgeEdge
 0.0% 0 / 4,990 0.0% 0 / 52 — 0.0% 0 / 91 0.0% 0 / 11
FirefoxFirefox
 95.52% 2,151 / 2,252 100.0% 283 / 283 — 0.0% 0 / 12 98.61% 283 / 287

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,779 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,216 / 5,217 99.85% 678 / 679 — 100.0% 2,160 / 2,160 99.48% 379 / 381
SafariSafari
 — 100.0% 288 / 288 100.0% 1,426 / 1,426 — —
EdgeEdge
 100.0% 1,009 / 1,009 100.0% 11 / 11 — 100.0% 27 / 27 —
FirefoxFirefox
 100.0% 391 / 391 100.0% 54 / 54 — — 100.0% 58 / 58