[1] TIFF は画像形式です。

[3] RFC 1314 - A File Format for the Exchange of Images in the Internet, 1/31/2021, 10:24:09 AM, 3/13/2021, 9:38:16 AM https://tools.ietf.org/html/rfc1314

[2] Clipboard API Improvements | WebKit (3/22/2018, 5:11:33 PM) https://webkit.org/blog/8170/clipboard-api-improvements/