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Codec: avc1.64000b

16.35% Encoder Support
52,280 of 319,834 sessions supported encoding
99.93% Decoder Support
268,655 of 268,845 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,834 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 10 / 144,026 0.11% 22 / 19,802 — 0.01% 8 / 63,278 0.38% 29 / 7,724
SafariSafari
 — 99.87% 8,486 / 8,497 99.96% 31,232 / 31,244 — —
EdgeEdge
 0.0% 1 / 30,838 0.0% 0 / 371 — 0.0% 0 / 960 0.0% 0 / 58
FirefoxFirefox
 95.99% 9,247 / 9,633 100.0% 1,304 / 1,304 — 0.0% 0 / 30 98.09% 1,235 / 1,259

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,845 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,476 / 121,515 99.86% 16,033 / 16,056 — 99.99% 53,411 / 53,419 99.04% 6,474 / 6,537
SafariSafari
 — 99.92% 7,113 / 7,119 99.98% 25,657 / 25,662 — —
EdgeEdge
 100.0% 26,884 / 26,885 100.0% 328 / 328 — 100.0% 881 / 881 100.0% 49 / 49
FirefoxFirefox
 100.0% 7,865 / 7,865 100.0% 1,076 / 1,076 — 0.0% 0 / 22 99.23% 1,027 / 1,035