← Back to Codec Support Table

Codec: avc1.64140a

4.48% Encoder Support
2,818 of 62,884 sessions supported encoding
99.96% Decoder Support
11,876 of 11,881 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,884 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 / 27,776 0.16% 7 / 4,399 0.03% 4 / 12,077 0.19% 3 / 1,596
SafariSafari
2.53% 40 / 1,584 1.58% 110 / 6,971
EdgeEdge
0.0% 0 / 5,105 0.0% 0 / 45 0.0% 0 / 113 0.0% 0 / 12
FirefoxFirefox
95.78% 2,063 / 2,154 100.0% 276 / 276 0.0% 0 / 12 99.0% 298 / 301

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,881 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,308 / 5,309 99.86% 691 / 692 100.0% 2,208 / 2,208 99.49% 392 / 394
SafariSafari
100.0% 250 / 250 100.0% 1,389 / 1,389
EdgeEdge
100.0% 1,037 / 1,037 100.0% 31 / 31
FirefoxFirefox
100.0% 382 / 382 100.0% 56 / 56 100.0% 59 / 59