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Codec: avc1.640c1e

98.6% Encoder Support
62,145 of 63,029 sessions supported encoding
99.92% Decoder Support
11,977 of 11,987 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 63,029 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.19% 27,210 / 27,432 99.82% 4,475 / 4,483 — 96.07% 11,638 / 12,114 97.38% 1,633 / 1,677
SafariSafari
 — 100.0% 1,642 / 1,642 100.0% 7,090 / 7,090 — —
EdgeEdge
 99.9% 5,092 / 5,097 100.0% 56 / 56 — 97.75% 87 / 89 —
FirefoxFirefox
 95.37% 2,161 / 2,266 100.0% 286 / 286 — 0.0% 0 / 12 98.99% 294 / 297

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,987 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,225 / 5,226 99.57% 701 / 704 — 100.0% 2,152 / 2,152 98.8% 410 / 415
SafariSafari
 — 100.0% 264 / 264 100.0% 1,502 / 1,502 — —
EdgeEdge
 100.0% 1,038 / 1,038 100.0% 10 / 10 — 100.0% 18 / 18 —
FirefoxFirefox
 100.0% 457 / 457 100.0% 55 / 55 — — 100.0% 71 / 71