← Back to Codec Support Table

Codec: avc1.4d0c34

86.44% Encoder Support
1,857,424 of 2,148,692 sessions supported encoding
99.81% Decoder Support
2,093,624 of 2,097,675 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,692 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 861,278 / 866,516 99.76% 100,149 / 100,390 — 97.34% 633,651 / 650,939 96.7% 42,404 / 43,852
SafariSafari
 — 1.6% 770 / 48,176 1.89% 4,111 / 217,991 — —
EdgeEdge
 99.85% 143,667 / 143,880 99.87% 1,482 / 1,484 — 99.45% 4,181 / 4,204 98.73% 697 / 706
FirefoxFirefox
 95.82% 51,307 / 53,543 99.97% 7,402 / 7,404 — 0.0% 0 / 104 98.83% 5,991 / 6,062

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,675 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 843,769 / 843,980 99.8% 96,570 / 96,762 — 99.65% 638,852 / 641,094 98.38% 41,960 / 42,649
SafariSafari
 — 99.84% 46,722 / 46,795 99.98% 212,352 / 212,398 — —
EdgeEdge
 100.0% 139,824 / 139,830 100.0% 1,445 / 1,445 — 100.0% 4,116 / 4,116 99.14% 694 / 700
FirefoxFirefox
 99.96% 51,769 / 51,789 99.93% 7,156 / 7,161 — 0.0% 0 / 96 98.66% 5,752 / 5,830