← Back to Codec Support Table

Codec: avc1.4d1420

84.66% Encoder Support
53,538 of 63,240 sessions supported encoding
99.93% Decoder Support
12,018 of 12,026 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 63,240 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.16% 27,720 / 27,955 99.98% 4,270 / 4,271 — 97.34% 11,857 / 12,181 97.63% 1,608 / 1,647
SafariSafari
 — 2.5% 41 / 1,638 1.87% 132 / 7,057 — —
EdgeEdge
 99.8% 5,102 / 5,112 100.0% 50 / 50 — 97.98% 97 / 99 91.67% 11 / 12
FirefoxFirefox
 95.2% 2,045 / 2,148 100.0% 293 / 293 — — 98.94% 279 / 282

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,026 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,383 / 5,385 100.0% 699 / 699 — 100.0% 2,175 / 2,175 98.77% 402 / 407
SafariSafari
 — 100.0% 262 / 262 100.0% 1,412 / 1,412 — —
EdgeEdge
 100.0% 1,075 / 1,075 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 395 / 395 100.0% 50 / 50 — — 100.0% 58 / 58