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Codec: avc1.64003e

86.3% Encoder Support
276,380 of 320,240 sessions supported encoding
87.82% Decoder Support
236,367 of 269,158 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,240 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,348 / 144,422 99.78% 19,674 / 19,717 — 96.29% 61,211 / 63,571 96.93% 7,305 / 7,536
SafariSafari
 — 2.2% 189 / 8,594 1.52% 472 / 31,026 — —
EdgeEdge
 99.81% 30,886 / 30,945 99.72% 351 / 352 — 98.69% 906 / 918 95.45% 63 / 66
FirefoxFirefox
 96.07% 9,306 / 9,687 100.0% 1,292 / 1,292 — 0.0% 0 / 29 98.69% 1,285 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,158 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,787 / 121,845 99.77% 15,924 / 15,961 — 99.84% 53,512 / 53,597 98.41% 6,256 / 6,357
SafariSafari
 — 2.24% 161 / 7,195 1.49% 381 / 25,490 — —
EdgeEdge
 99.97% 27,047 / 27,056 100.0% 312 / 312 — 100.0% 834 / 834 96.49% 55 / 57
FirefoxFirefox
 99.95% 7,928 / 7,932 99.81% 1,055 / 1,057 — 0.0% 0 / 18 99.15% 1,049 / 1,058