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Codec: avc1.64040d

3.25% Encoder Support
69,763 of 2,147,175 sessions supported encoding
99.81% Decoder Support
2,092,109 of 2,096,178 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,175 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 70 / 865,956 0.11% 116 / 101,125 — 0.02% 109 / 649,193 0.33% 146 / 43,928
SafariSafari
 — 1.51% 731 / 48,365 1.82% 3,964 / 218,257 — —
EdgeEdge
 0.01% 8 / 143,541 0.0% 0 / 1,454 — 0.0% 0 / 4,241 0.44% 3 / 677
FirefoxFirefox
 95.86% 51,343 / 53,562 99.89% 7,442 / 7,450 — 0.0% 0 / 100 98.0% 5,769 / 5,887

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,178 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,244 / 843,436 99.8% 97,285 / 97,476 — 99.65% 637,121 / 639,359 98.3% 41,972 / 42,696
SafariSafari
 — 99.86% 46,877 / 46,941 99.98% 212,636 / 212,680 — —
EdgeEdge
 99.99% 139,552 / 139,563 100.0% 1,408 / 1,408 — 100.0% 4,164 / 4,164 98.52% 664 / 674
FirefoxFirefox
 99.97% 51,762 / 51,778 99.93% 7,208 / 7,213 — 0.0% 0 / 91 98.34% 5,566 / 5,660