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Codec: avc1.4d043c

84.58% Encoder Support
53,292 of 63,007 sessions supported encoding
85.37% Decoder Support
10,128 of 11,864 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,007 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.13% 27,422 / 27,662 99.77% 4,353 / 4,363 — 97.32% 11,958 / 12,287 97.83% 1,530 / 1,564
SafariSafari
 — 2.21% 37 / 1,677 1.8% 126 / 7,014 — —
EdgeEdge
 99.82% 5,004 / 5,013 100.0% 55 / 55 — 99.17% 120 / 121 —
FirefoxFirefox
 95.36% 2,033 / 2,132 100.0% 297 / 297 — 0.0% 0 / 15 99.02% 303 / 306

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,864 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,266 / 5,268 100.0% 704 / 704 — 99.73% 2,209 / 2,215 98.64% 364 / 369
SafariSafari
 — 3.01% 8 / 266 1.82% 26 / 1,426 — —
EdgeEdge
 100.0% 1,014 / 1,014 — — 100.0% 42 / 42 —
FirefoxFirefox
 100.0% 383 / 383 100.0% 38 / 38 — — 100.0% 55 / 55