nutrient-font-tool

Generate fonts.json metadata for Nutrient PDF SDK font bundles.

📖 Guide: Dynamic Font Loading in Nutrient Web SDK

Installation

``bash


Run directly (no install needed)

npx @nutrient-sdk/font-tool create ./my-fonts

Or install globally

npm install -g @nutrient-sdk/font-tool
`

Usage

`bash


Generate fonts.json inside the font directory

nutrient-font-tool create ./my-fonts

→ ./my-fonts/fonts.json

Specify custom output path

nutrient-font-tool create ./my-fonts -o ./output/fonts.json

Pretty-print the JSON

nutrient-font-tool create ./my-fonts --pretty
`

The tool recursively scans the input directory for font files.

$3

| Option | Description |
|--------|-------------|
| -o, --output | Output file (default: /fonts.json) |
| --pretty | Pretty-print JSON output |

Supported Formats

- .ttf - TrueType
- .otf - OpenType
- .ttc - TrueType Collection
- .otc - OpenType Collection

Output

Generates a fonts.json file with font metadata:

`json
{
"v": 1,
"availableFonts": [
{
"name": {
"family": "Noto Sans",
"fullName": "Noto Sans Regular",
"subfamily": "Regular"
},
"filePath": "NotoSans-Regular.ttf",
"codePoints": [[32, 126], [160, 255], ...],
"sha1": "abc123...",
"allowedToEmbed": true,
"weight": 5
}
]
}
``

Requirements

- Node.js 18+

Learn More

- Dynamic Font Loading Guide — How to use custom font bundles with Nutrient Web SDK
- Nutrient Web SDK — PDF SDK for web applications

License

MIT