HB-INFO(1)                       User Commands                      HB-INFO(1)

NAME
       hb-info - manual page for hb-info 11.0.1

DESCRIPTION
   Usage:
              hb-info [OPTION?] [FONT-FILE]

       Query font information.

   Help Options:
       -h, --help
              Show help options

       --help-all
              Show all help options

       --help-face
              Options for the font face

       --help-font
              Options for the font instance

       --help-variations
              Options for font variations used

       --help-misc
              Miscellaneous options affecting queries

       --help-query
              Options to query the font instance

   Font-face options:
       --font-file=filename
              Set font file-name

       -y, --face-index=index
              Set face index (default: 0)

       --face-loader=loader
              Set face loader to use (default: ot)

              Supported face loaders are: ot/ft

       --list-face-loaders
              List available face loaders and quit

   Font-instance options:
       --font-size=1/2 integers or 'upem'
              Font size (default: upem)

       --font-ppem=1/2 integers
              Set x,y pixels per EM (default: 0; disabled)

       --font-ptem=point-size
              Set font point-size (default: 0; disabled)

       --font-bold=1/2 numbers; eg. 0.05
              Set synthetic bold (default: 0)

       --font-grade=1/2 numbers; eg. 0.05
              Set synthetic grade (default: 0)

       --font-slant=slant ratio; eg. 0.2
              Set synthetic slant (default: 0)

       --font-funcs=impl
              Set font functions implementation to use (default: ot)

              Supported font function implementations are: ot/ft

       --list-font-funcs
              List available font functions and quit

       --ft-load-flags=integer
              Set FreeType load-flags (default: 2)

   Variations options:
       --named-instance=index
              Set named-instance index (default: none)

       --variations=list
              Comma-separated list of font variations

              Variations are set globally. The format for specifying variation
              settings follows.  All valid CSS font-variation-settings values
              other than 'normal' and 'inherited' are also accepted, though,
              not documented below.

              The format is a tag, optionally followed by an equals sign,
              followed by a number. For example:

              "wght=500" "slnt=-7.5"

   Miscellaneous options:
       --direction=ltr/rtl/ttb/btt
              Set direction (default: ltr)

       --script=ISO-15924 tag; eg. 'Latn'
              Set script (default: none)

       --language=BCP 47 tag; eg. 'en'
              Set language (default: $LANG)

       --ot-script=tag; eg. 'latn'
              Set OpenType script tag (default: none)

       --ot-language=tag; eg. 'ENG'
              Set OpenType language tag (default: none)

   Query options:
       -a, --all
              Show everything

       --show-all
              Show all short information (default)

       --show-face-count
              Show face count

       --show-family
              Show family name

       --show-subfamily
              Show subfamily name

       --show-unique-name
              Show unique name

       --show-full-name
              Show full name

       --show-postscript-name
              Show Postscript name

       --show-version
              Show version

       --show-technology
              Show technology

       --show-unicode-count
              Show Unicode count

       --show-glyph-count
              Show glyph count

       --show-upem
              Show Units-Per-EM

       --show-extents
              Show extents

       --get-name=name id; eg. '13'
              Get name

       --get-style=style tag; eg. 'wght'
              Get style

       --get-metric=metric tag; eg. 'hasc'
              Get metric

       --get-baseline=baseline tag; eg. 'hang'
              Get baseline

       --get-meta=tag tag; eg. 'dlng'
              Get meta information

       --get-table=table tag; eg. 'cmap'
              Get font table

       --list-all
              List all long information

       --list-names
              List names

       --list-style
              List style

       --list-metrics
              List metrics

       --list-baselines
              List baselines

       -l, --list-tables
              List tables

       --list-unicodes
              List characters

       --list-glyphs
              List glyphs

       --list-scripts
              List layout scripts

       --list-features
              List layout features

       --list-variations
              List variations

       --list-palettes
              List color palettes

       --list-meta
              List meta information

   Application Options:
       -q, --quiet
              Generate machine-readable output

       --version
              Show version numbers

       Queries font file for various information. If no query option is
       specified, --show-all is assumed.

EXIT CODES
              0: Success.

              1: Option parsing failed.

              2: Failed loading font face.

              4: Failed setting font functions.

ENVIRONMENT
              HB_FACE_LOADER=face-loader; Overrides the default face loader.

              HB_FONT_FUNCS=font-funcs; Overrides the default font-funcs.

SEE ALSO
              hb-view(1), hb-shape(1), hb-subset(1), hb-info(1)

       Find more information or report bugs at
       <https://github.com/harfbuzz/harfbuzz>

HarfBuzz 11.0.1                   April 2025                        HB-INFO(1)