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Codec: avc1.640c0a

16.47% Encoder Support
52,848 of 320,904 sessions supported encoding
99.93% Decoder Support
269,581 of 269,776 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,904 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 14 / 144,188 0.12% 23 / 19,705 — 0.02% 11 / 63,797 0.26% 20 / 7,741
SafariSafari
 — 99.9% 8,759 / 8,768 99.96% 31,447 / 31,461 — —
EdgeEdge
 0.0% 0 / 30,771 0.0% 0 / 377 — 0.0% 0 / 913 0.0% 0 / 65
FirefoxFirefox
 96.05% 9,306 / 9,689 100.0% 1,271 / 1,271 — 0.0% 0 / 40 98.63% 1,298 / 1,316

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,776 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,633 / 121,672 99.85% 16,061 / 16,085 — 99.98% 53,767 / 53,776 98.97% 6,529 / 6,597
SafariSafari
 — 99.92% 7,370 / 7,376 99.98% 25,838 / 25,842 — —
EdgeEdge
 100.0% 26,779 / 26,780 100.0% 344 / 344 — 100.0% 833 / 833 100.0% 58 / 58
FirefoxFirefox
 99.99% 7,904 / 7,905 100.0% 1,029 / 1,029 — 0.0% 0 / 24 99.44% 1,061 / 1,067