データフォーマットの一覧
H.263
HD Photo
High Efficiency Image File Format
HTML5
HTTP cookie
HTTP ETag
HTTP location(英語版)
HTTP Referer
High Efficiency Image File Format
Huffyuv
HyperText Markup Language
.x
X3D
XCF
X-Forwarded-For
XLIFF
XML Paper Specification
XPInstall
XPM
XSL Transformations
XVD
Xz