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Codec: avc1.640033

98.6% Encoder Support
62,038 of 62,916 sessions supported encoding
99.97% Decoder Support
11,962 of 11,966 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,916 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.13% 27,548 / 27,789 99.95% 4,325 / 4,327 — 96.13% 11,623 / 12,091 97.79% 1,591 / 1,627
SafariSafari
 — 100.0% 1,592 / 1,592 100.0% 6,973 / 6,973 — —
EdgeEdge
 99.78% 5,083 / 5,094 100.0% 41 / 41 — 96.33% 105 / 109 100.0% 12 / 12
FirefoxFirefox
 95.61% 2,068 / 2,163 100.0% 303 / 303 — 0.0% 0 / 10 98.97% 288 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,966 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,264 / 5,265 99.85% 667 / 668 — 100.0% 2,222 / 2,222 99.54% 435 / 437
SafariSafari
 — 100.0% 277 / 277 100.0% 1,456 / 1,456 — —
EdgeEdge
 100.0% 1,028 / 1,028 — — 100.0% 33 / 33 —
FirefoxFirefox
 100.0% 387 / 387 100.0% 55 / 55 — — 100.0% 51 / 51