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Codec: avc1.64102a

84.58% Encoder Support
53,492 of 63,242 sessions supported encoding
99.91% Decoder Support
11,938 of 11,949 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,242 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.19% 27,647 / 27,873 100.0% 4,422 / 4,422 — 96.35% 11,714 / 12,158 97.92% 1,597 / 1,631
SafariSafari
 — 2.75% 45 / 1,637 1.6% 112 / 7,000 — —
EdgeEdge
 99.86% 5,094 / 5,101 100.0% 54 / 54 — 97.32% 109 / 112 —
FirefoxFirefox
 95.45% 2,078 / 2,177 100.0% 281 / 281 — — 99.31% 287 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,949 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,212 / 5,214 100.0% 670 / 670 — 100.0% 2,249 / 2,249 98.33% 411 / 418
SafariSafari
 — 100.0% 281 / 281 100.0% 1,435 / 1,435 — —
EdgeEdge
 100.0% 1,053 / 1,053 — — 100.0% 33 / 33 —
FirefoxFirefox
 100.0% 396 / 396 100.0% 47 / 47 — — 100.0% 57 / 57