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Codec: avc1.64001e

98.7% Encoder Support
316,942 of 321,115 sessions supported encoding
99.94% Decoder Support
269,828 of 269,999 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 321,115 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,048 / 144,105 99.83% 19,600 / 19,634 — 96.4% 61,918 / 64,231 97.37% 7,602 / 7,807
SafariSafari
 — 99.91% 8,605 / 8,613 99.98% 31,143 / 31,148 — —
EdgeEdge
 99.77% 30,880 / 30,952 100.0% 360 / 360 — 97.95% 957 / 977 100.0% 61 / 61
FirefoxFirefox
 95.97% 9,281 / 9,671 100.0% 1,377 / 1,377 — 0.0% 0 / 31 99.03% 1,331 / 1,344

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,999 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,609 / 121,646 99.88% 15,987 / 16,007 — 99.99% 54,115 / 54,119 99.18% 6,516 / 6,570
SafariSafari
 — 99.92% 7,203 / 7,209 99.98% 25,512 / 25,517 — —
EdgeEdge
 100.0% 27,047 / 27,047 100.0% 325 / 325 — 100.0% 908 / 908 100.0% 58 / 58
FirefoxFirefox
 100.0% 7,931 / 7,931 100.0% 1,144 / 1,144 — 0.0% 0 / 24 99.28% 1,104 / 1,112