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Codec: avc1.640c20

98.57% Encoder Support
62,042 of 62,942 sessions supported encoding
99.91% Decoder Support
11,798 of 11,809 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,942 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.13% 27,419 / 27,659 99.91% 4,345 / 4,349 — 96.05% 11,773 / 12,257 97.97% 1,547 / 1,579
SafariSafari
 — 99.94% 1,636 / 1,637 100.0% 6,961 / 6,961 — —
EdgeEdge
 99.86% 4,983 / 4,990 100.0% 54 / 54 — 100.0% 115 / 115 —
FirefoxFirefox
 95.09% 2,131 / 2,241 100.0% 281 / 281 — 0.0% 0 / 15 98.92% 276 / 279

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,809 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,155 / 5,156 99.85% 658 / 659 — 100.0% 2,209 / 2,209 98.18% 378 / 385
SafariSafari
 — 100.0% 272 / 272 100.0% 1,449 / 1,449 — —
EdgeEdge
 100.0% 1,004 / 1,004 — — 100.0% 39 / 39 —
FirefoxFirefox
 100.0% 428 / 428 100.0% 54 / 54 — — 100.0% 57 / 57