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Codec: avc1.4d0034

98.9% Encoder Support
62,292 of 62,983 sessions supported encoding
99.93% Decoder Support
11,925 of 11,933 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,983 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.24% 27,534 / 27,744 99.98% 4,292 / 4,293 — 97.42% 11,964 / 12,281 98.22% 1,599 / 1,628
SafariSafari
 — 100.0% 1,596 / 1,596 100.0% 7,014 / 7,014 — —
EdgeEdge
 99.92% 5,027 / 5,031 100.0% 53 / 53 — 100.0% 103 / 103 —
FirefoxFirefox
 94.76% 2,043 / 2,156 100.0% 287 / 287 — 0.0% 0 / 13 99.66% 292 / 293

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,933 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,252 / 5,252 100.0% 651 / 651 — 100.0% 2,260 / 2,260 98.45% 382 / 388
SafariSafari
 — 100.0% 258 / 258 100.0% 1,429 / 1,429 — —
EdgeEdge
 100.0% 1,059 / 1,059 100.0% 11 / 11 — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 419 / 419 100.0% 43 / 43 — — 100.0% 56 / 56