file-type
Detect the file type of a file, stream, or data
fonteditor-core
fonts (ttf, woff, woff2, eot, svg, otf) parse, write, transform, glyph adjust.
svgtofont
Converts SVG to TTF/EOT/WOFF/WOFF2/SVG format fonts.
fontmin
Minify font seamlessly, font subsetter, webfont (eot, woff, svg) converter.