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Codec: avc1.64140c

4.51% Encoder Support
2,859 of 63,360 sessions supported encoding
99.9% Decoder Support
11,954 of 11,966 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,360 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 27,990 0.07% 3 / 4,334 — 0.03% 4 / 12,152 0.19% 3 / 1,573
SafariSafari
 — 2.89% 48 / 1,662 1.58% 112 / 7,107 — —
EdgeEdge
 0.0% 0 / 5,089 0.0% 0 / 50 — 0.0% 0 / 126 —
FirefoxFirefox
 95.43% 2,108 / 2,209 100.0% 294 / 294 — 0.0% 0 / 13 98.55% 271 / 275

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,966 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,220 / 5,223 99.86% 706 / 707 — 100.0% 2,257 / 2,257 98.52% 400 / 406
SafariSafari
 — 100.0% 258 / 258 100.0% 1,432 / 1,432 — —
EdgeEdge
 100.0% 1,052 / 1,052 100.0% 11 / 11 — 100.0% 40 / 40 —
FirefoxFirefox
 100.0% 414 / 414 100.0% 47 / 47 — — 100.0% 46 / 46