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Codec: avc1.640c0d

18.61% Encoder Support
11,718 of 62,979 sessions supported encoding
99.93% Decoder Support
11,969 of 11,977 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,979 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 27,875 0.14% 6 / 4,321 — 0.02% 3 / 12,212 0.53% 8 / 1,522
SafariSafari
 — 99.75% 1,626 / 1,630 99.96% 7,012 / 7,015 — —
EdgeEdge
 0.0% 0 / 5,020 0.0% 0 / 49 — 0.0% 0 / 102 0.0% 0 / 10
FirefoxFirefox
 94.69% 2,034 / 2,148 100.0% 311 / 311 — 0.0% 0 / 10 98.62% 286 / 290

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,977 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,151 / 5,153 99.85% 688 / 689 — 100.0% 2,368 / 2,368 98.95% 376 / 380
SafariSafari
 — 100.0% 292 / 292 100.0% 1,423 / 1,423 — —
EdgeEdge
 100.0% 1,055 / 1,055 — — 100.0% 36 / 36 —
FirefoxFirefox
 100.0% 391 / 391 100.0% 54 / 54 — — 100.0% 55 / 55