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Codec: avc1.64000a

18.4% Encoder Support
11,611 of 63,097 sessions supported encoding
99.92% Decoder Support
12,022 of 12,032 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,097 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 3 / 27,705 0.09% 4 / 4,450 — 0.02% 3 / 12,335 0.12% 2 / 1,653
SafariSafari
 — 99.82% 1,636 / 1,639 99.94% 6,906 / 6,910 — —
EdgeEdge
 0.0% 0 / 5,024 1.67% 1 / 60 — 0.0% 0 / 108 —
FirefoxFirefox
 94.94% 2,082 / 2,193 100.0% 284 / 284 — 0.0% 0 / 10 97.92% 282 / 288

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,032 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,267 / 5,269 99.86% 694 / 695 — 100.0% 2,256 / 2,256 99.08% 429 / 433
SafariSafari
 — 100.0% 281 / 281 100.0% 1,433 / 1,433 — —
EdgeEdge
 100.0% 1,042 / 1,042 — — 100.0% 27 / 27 —
FirefoxFirefox
 100.0% 409 / 409 100.0% 50 / 50 — — 100.0% 52 / 52