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Codec: avc1.4d1415

3.95% Encoder Support
12,665 of 320,744 sessions supported encoding
99.93% Decoder Support
269,327 of 269,520 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 320,744 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 14 / 144,290 0.11% 22 / 19,774 — 0.02% 13 / 63,432 0.34% 26 / 7,683
SafariSafari
 — 1.64% 143 / 8,723 1.42% 446 / 31,363 — —
EdgeEdge
 0.0% 1 / 30,798 0.0% 0 / 386 — 0.0% 0 / 998 0.0% 0 / 70
FirefoxFirefox
 96.02% 9,416 / 9,806 99.92% 1,276 / 1,277 — 0.0% 0 / 30 97.79% 1,286 / 1,315

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,520 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,851 / 121,875 99.86% 16,038 / 16,061 — 99.99% 53,473 / 53,481 98.96% 6,394 / 6,461
SafariSafari
 — 99.88% 7,294 / 7,303 99.98% 25,698 / 25,704 — —
EdgeEdge
 100.0% 26,823 / 26,823 100.0% 343 / 343 — 100.0% 916 / 916 100.0% 66 / 66
FirefoxFirefox
 100.0% 7,952 / 7,952 100.0% 1,054 / 1,054 — 0.0% 0 / 20 98.97% 1,061 / 1,072