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Codec: avc1.4d0c15

3.25% Encoder Support
69,792 of 2,148,899 sessions supported encoding
99.81% Decoder Support
2,093,943 of 2,098,021 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 2,148,899 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 84 / 867,208 0.11% 110 / 101,137 — 0.03% 183 / 650,072 0.33% 144 / 43,892
SafariSafari
 — 1.42% 683 / 48,215 1.83% 3,992 / 218,319 — —
EdgeEdge
 0.01% 8 / 143,153 0.07% 1 / 1,447 — 0.0% 0 / 4,259 0.0% 0 / 679
FirefoxFirefox
 95.84% 51,377 / 53,607 99.94% 7,266 / 7,270 — 0.0% 0 / 116 97.96% 5,892 / 6,015

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,021 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,717 / 844,914 99.81% 97,257 / 97,445 — 99.65% 637,852 / 640,079 98.36% 42,047 / 42,750
SafariSafari
 — 99.83% 46,747 / 46,825 99.98% 212,687 / 212,734 — —
EdgeEdge
 99.99% 139,215 / 139,224 100.0% 1,406 / 1,406 — 100.0% 4,184 / 4,184 98.96% 665 / 672
FirefoxFirefox
 99.96% 51,751 / 51,770 100.0% 7,037 / 7,037 — 0.96% 1 / 104 98.55% 5,703 / 5,787