← Back to Codec Support Table

Codec: avc1.4d1420

86.47% Encoder Support
1,858,013 of 2,148,795 sessions supported encoding
99.8% Decoder Support
2,093,408 of 2,097,561 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,795 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,397 / 867,622 99.75% 100,018 / 100,273 — 97.35% 633,671 / 650,937 96.66% 42,098 / 43,551
SafariSafari
 — 1.46% 702 / 47,928 1.91% 4,158 / 217,708 — —
EdgeEdge
 99.85% 143,420 / 143,633 100.0% 1,499 / 1,499 — 99.53% 4,207 / 4,227 98.99% 683 / 690
FirefoxFirefox
 95.87% 51,470 / 53,689 99.95% 7,419 / 7,423 — 1.72% 2 / 116 98.65% 5,923 / 6,004

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,561 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,857 / 845,050 99.8% 96,503 / 96,701 — 99.64% 638,603 / 640,931 98.36% 41,617 / 42,311
SafariSafari
 — 99.85% 46,477 / 46,547 99.98% 211,998 / 212,051 — —
EdgeEdge
 99.99% 139,586 / 139,596 100.0% 1,456 / 1,456 — 100.0% 4,157 / 4,157 99.26% 675 / 680
FirefoxFirefox
 99.97% 51,918 / 51,936 99.93% 7,175 / 7,180 — 1.85% 2 / 108 98.48% 5,691 / 5,779