CLI Overview

Fontisan includes a comprehensive command-line interface.

Available Commands

Command	Description
convert	Convert between font formats
info	Get font information
validate	Validate fonts
subset	Subset fonts
pack	Create font collections
unpack	Extract from collections
export	Export to TTX, SVG, etc.
ls	List fonts in collection
instance	Generate variable font instances

Global Options

fontisan [options] <command>

Options:
  --format FORMAT    Output format (text, yaml, json)
  --verbose          Verbose output
  --quiet            Suppress non-error output
  --help             Show help
  --version          Show version

Getting Help

# General help
fontisan --help

# Command help
fontisan convert --help
fontisan validate --help

Output Formats

Text (default)

fontisan info font.ttf

YAML

fontisan info font.ttf --format yaml

JSON

fontisan info font.ttf --format json

Guides

• convert — Format conversion
• info — Font information
• validate — Validation
• subset — Subsetting
• pack — Collections

Examples

Basic Conversion

fontisan convert input.ttf --to otf --output output.otf

Validate for Web

fontisan validate font.ttf --profile web

Extract Collection

fontisan unpack fonts.ttc --output-dir ./extracted

Generate Instance

fontisan instance variable.ttf --wght 700 --output bold.ttf