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Codec: avc1.42083c

87.2% Encoder Support
1,872,240 of 2,146,967 sessions supported encoding
87.41% Decoder Support
1,832,035 of 2,095,873 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,967 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.91% 865,827 / 866,644 99.65% 100,291 / 100,640 — 99.25% 644,263 / 649,143 97.4% 42,532 / 43,667
SafariSafari
 — 1.54% 740 / 48,089 1.84% 4,025 / 218,639 — —
EdgeEdge
 99.97% 143,187 / 143,234 100.0% 1,442 / 1,442 — 99.86% 4,208 / 4,214 98.71% 691 / 700
FirefoxFirefox
 95.91% 51,198 / 53,383 99.96% 7,449 / 7,452 — 0.93% 1 / 108 98.61% 6,042 / 6,127

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,873 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 843,797 / 844,191 99.65% 96,672 / 97,016 — 99.37% 635,167 / 639,190 97.48% 41,341 / 42,410
SafariSafari
 — 1.61% 753 / 46,719 1.85% 3,932 / 212,948 — —
EdgeEdge
 99.97% 139,246 / 139,293 100.0% 1,396 / 1,396 — 100.0% 4,140 / 4,140 98.85% 686 / 694
FirefoxFirefox
 99.93% 51,559 / 51,595 99.88% 7,227 / 7,236 — 0.99% 1 / 101 98.5% 5,797 / 5,885