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Codec: avc1.4d000d

16.37% Encoder Support
52,303 of 319,543 sessions supported encoding
99.93% Decoder Support
268,167 of 268,344 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,543 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 18 / 143,364 0.11% 22 / 19,775 — 0.01% 9 / 63,685 0.36% 28 / 7,735
SafariSafari
 — 99.87% 8,496 / 8,507 99.96% 31,160 / 31,173 — —
EdgeEdge
 0.01% 3 / 30,782 0.0% 0 / 374 — 0.0% 0 / 975 0.0% 0 / 62
FirefoxFirefox
 96.22% 9,375 / 9,743 100.0% 1,275 / 1,275 — 0.0% 0 / 38 98.09% 1,231 / 1,255

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,344 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 120,835 / 120,873 99.9% 16,080 / 16,096 — 99.99% 53,544 / 53,549 99.11% 6,464 / 6,522
SafariSafari
 — 99.92% 7,125 / 7,131 99.99% 25,598 / 25,600 — —
EdgeEdge
 100.0% 26,806 / 26,806 100.0% 332 / 332 — 100.0% 894 / 894 100.0% 55 / 55
FirefoxFirefox
 100.0% 7,956 / 7,956 100.0% 1,069 / 1,069 — 0.0% 0 / 31 99.71% 1,028 / 1,031