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Codec: avc1.640c1e

98.69% Encoder Support
316,317 of 320,502 sessions supported encoding
99.93% Decoder Support
269,240 of 269,437 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,502 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 142,467 / 143,502 99.84% 19,774 / 19,806 — 96.32% 61,506 / 63,859 97.35% 7,599 / 7,806
SafariSafari
 — 99.91% 8,421 / 8,429 99.99% 31,452 / 31,456 — —
EdgeEdge
 99.83% 30,954 / 31,007 100.0% 377 / 377 — 97.58% 929 / 952 100.0% 65 / 65
FirefoxFirefox
 96.07% 9,396 / 9,780 100.0% 1,324 / 1,324 — 0.0% 0 / 41 98.85% 1,293 / 1,308

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,437 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,256 / 121,293 99.85% 16,003 / 16,027 — 99.98% 53,886 / 53,897 99.07% 6,483 / 6,544
SafariSafari
 — 99.89% 7,038 / 7,046 99.98% 25,849 / 25,853 — —
EdgeEdge
 100.0% 26,947 / 26,948 100.0% 331 / 331 — 100.0% 881 / 881 100.0% 61 / 61
FirefoxFirefox
 99.99% 7,970 / 7,971 100.0% 1,093 / 1,093 — 0.0% 0 / 30 99.17% 1,073 / 1,082