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Codec: avc1.64101e

86.12% Encoder Support
276,687 of 321,272 sessions supported encoding
99.93% Decoder Support
269,810 of 269,991 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,272 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,325 / 144,401 99.86% 19,592 / 19,619 — 96.11% 61,090 / 63,565 97.3% 7,537 / 7,746
SafariSafari
 — 2.15% 187 / 8,691 1.53% 482 / 31,563 — —
EdgeEdge
 99.8% 30,994 / 31,057 99.74% 384 / 385 — 97.66% 919 / 941 100.0% 56 / 56
FirefoxFirefox
 95.99% 9,384 / 9,776 100.0% 1,354 / 1,354 — 0.0% 0 / 40 98.62% 1,283 / 1,301

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,991 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,888 / 121,926 99.89% 15,961 / 15,978 — 99.99% 53,543 / 53,548 99.05% 6,467 / 6,529
SafariSafari
 — 99.9% 7,244 / 7,251 100.0% 25,925 / 25,926 — —
EdgeEdge
 100.0% 27,018 / 27,019 100.0% 335 / 335 — 100.0% 858 / 858 100.0% 51 / 51
FirefoxFirefox
 99.99% 8,004 / 8,005 100.0% 1,112 / 1,112 — 0.0% 0 / 27 99.24% 1,043 / 1,051