Free local tool
Font File Inspector
Inspect bounded metadata, metrics, mappings, axes, and feature tags from a local TTF or OTF file.
Private by design: inputs and local files stay in this browser tab. The tool sends no input to a server and stores nothing after the page closes.
Font metadata
SFNT table directory
| Table tag |
|---|
JavaScript is required for the interactive tool.
Method and limits
Supports SFNT TrueType and OpenType CFF files up to 25 MB and 256 tables. It validates every table range before reading name, head, hhea, maxp, OS/2, cmap, fvar, GSUB, and GPOS data. It does not load, render, subset, edit, install, or transmit the font. WOFF and WOFF2 are not supported.