← Back to Codec Support Table

Codec: avc1.640028

98.62% Encoder Support
62,156 of 63,026 sessions supported encoding
99.94% Decoder Support
11,925 of 11,932 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,026 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,709 / 27,932 99.91% 4,419 / 4,423 — 96.11% 11,595 / 12,064 97.43% 1,594 / 1,636
SafariSafari
 — 99.88% 1,631 / 1,633 100.0% 6,979 / 6,979 — —
EdgeEdge
 99.86% 4,885 / 4,892 100.0% 45 / 45 — 98.06% 101 / 103 —
FirefoxFirefox
 95.33% 2,084 / 2,186 100.0% 288 / 288 — 0.0% 0 / 10 99.69% 319 / 320

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,932 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,301 / 5,303 100.0% 724 / 724 — 100.0% 2,184 / 2,184 99.3% 427 / 430
SafariSafari
 — 100.0% 264 / 264 100.0% 1,356 / 1,356 — —
EdgeEdge
 100.0% 1,021 / 1,021 — — 100.0% 23 / 23 —
FirefoxFirefox
 100.0% 412 / 412 100.0% 46 / 46 — — 100.0% 71 / 71