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Codec: avc1.64140d

4.54% Encoder Support
2,853 of 62,831 sessions supported encoding
99.97% Decoder Support
11,980 of 11,984 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 62,831 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 7 / 27,730 0.11% 5 / 4,385 — 0.05% 6 / 12,042 0.13% 2 / 1,570
SafariSafari
 — 2.53% 41 / 1,622 1.52% 107 / 7,052 — —
EdgeEdge
 0.0% 0 / 5,009 0.0% 0 / 49 — 0.0% 0 / 111 0.0% 0 / 13
FirefoxFirefox
 95.3% 2,089 / 2,192 100.0% 297 / 297 — — 98.63% 287 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,984 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,325 / 5,325 99.85% 665 / 666 — 100.0% 2,202 / 2,202 99.46% 365 / 367
SafariSafari
 — 100.0% 293 / 293 100.0% 1,420 / 1,420 — —
EdgeEdge
 100.0% 1,044 / 1,044 — — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 435 / 435 100.0% 54 / 54 — — 100.0% 60 / 60