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Codec: avc1.640c0c

15.54% Encoder Support
333,601 of 2,146,812 sessions supported encoding
99.8% Decoder Support
2,091,553 of 2,095,764 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,812 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 81 / 866,526 0.13% 134 / 100,990 — 0.02% 141 / 649,400 0.35% 153 / 43,941
SafariSafari
 — 99.74% 47,669 / 47,794 99.97% 218,271 / 218,331 — —
EdgeEdge
 0.0% 5 / 143,059 0.0% 0 / 1,467 — 0.0% 0 / 4,202 0.0% 0 / 670
FirefoxFirefox
 95.94% 51,210 / 53,377 99.82% 7,394 / 7,407 — 0.0% 0 / 126 97.87% 5,889 / 6,017

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,764 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,759 / 843,945 99.79% 97,174 / 97,380 — 99.64% 637,226 / 639,552 98.32% 42,002 / 42,720
SafariSafari
 — 99.84% 46,316 / 46,392 99.98% 212,638 / 212,677 — —
EdgeEdge
 99.99% 139,139 / 139,150 100.0% 1,418 / 1,418 — 100.0% 4,123 / 4,123 98.8% 658 / 666
FirefoxFirefox
 99.96% 51,602 / 51,623 99.92% 7,146 / 7,152 — 0.0% 0 / 114 98.48% 5,683 / 5,771