Fontwhich

Fontwhich is a small CLI tool that uses pango to show which default fonts are used to render some text.

It should work on any Linux distro with the Cairo and Pango libraries: it requires the fonts to be available but not a graphical session.

Usage

$ fontwhich --help

fontwhich

Usage: fontwhich [--version] [-f|--font FONT] [-l|--lang LANG] [-x|--hex] [TEXT]

  Describes the fonts used to render text with pango

Available options:
  -h,--help                Show this help text
  --version                Show version
  -f,--font FONT           Base font [default: Sans]
  -l,--lang LANG           Language code
  -x,--hex                 Output UTF-8 hex codes

$ fontwhich Hello 🌍 World 世界

23 bytes
'Hello ' : Noto Sans
'🌍' : Noto Color Emoji
' World ' : Noto Sans
'世界' : Noto Sans CJK JP

$ fontwhich -f Serif "こんにちは 😀 世界"

27 bytes
'こんにちは ' : Noto Serif CJK JP
'😀' : Noto Color Emoji
' ' : Noto Serif CJK JP
'世界' : Noto Serif CJK JP

$ fontwhich -l ja

Primary font for ja is: "Noto Sans CJK JP"

$ fontwhich --hex 🍊

4 bytes
'🍊' [f0 9f 8d 8a] : Noto Color Emoji

Building and installation

On Fedora:

$ cabal-rpm builddep
$ cabal install

There is a copr repo: https://copr.fedorainfracloud.org/coprs/petersen/fontwhich/

Misc

Code was assisted with Gemini Pro 3.1.

The tool is related conceptually to https://github.com/sudipshil9862/whichfont (C codebase).

Collaborate

The code is distributed under GPLv3+.

Repository: https://github.com/juhp/fontwhich