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Codec: avc1.64003e

84.48% Encoder Support
53,259 of 63,043 sessions supported encoding
85.44% Decoder Support
10,237 of 11,982 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 63,043 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,626 / 27,866 99.82% 4,440 / 4,448 — 96.18% 11,767 / 12,234 97.44% 1,525 / 1,565
SafariSafari
 — 2.05% 34 / 1,655 1.77% 123 / 6,965 — —
EdgeEdge
 99.84% 4,928 / 4,936 98.04% 50 / 51 — 100.0% 115 / 115 91.67% 11 / 12
FirefoxFirefox
 94.89% 2,044 / 2,154 100.0% 270 / 270 — 0.0% 0 / 13 98.65% 293 / 297

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,982 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,290 / 5,290 99.71% 690 / 692 — 99.6% 2,251 / 2,260 98.96% 382 / 386
SafariSafari
 — 2.3% 6 / 261 2.29% 33 / 1,444 — —
EdgeEdge
 100.0% 1,047 / 1,047 100.0% 11 / 11 — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 35 / 35 — — 100.0% 53 / 53