Font Info
Analyze and explore font files
Drop your font file here
or click to browse
iOS known issue: Using the file picker may cause UI elements to shift due to a known iOS Safari viewport bug. Try dragging and dropping a font file directly onto this area, or use the or tab if you encounter an issue.
Font File Inspector — Analyze TTF, OTF, WOFF & WOFF2 Online
Upload any font file and instantly inspect its glyphs, OpenType features, bezier curves, color layers, and full metadata — entirely in your browser, with no file sent to any server. Supports TTF, OTF, WOFF, and WOFF2 formats, including color fonts (COLR v0, COLR v1, and bitmap glyph formats). Load directly from a URL to analyze Google Fonts, CDN-hosted fonts, or any publicly accessible font file — or paste any website URL to scan its CSS and discover all fonts in use. Compare two fonts side by side, or view control points, path data, and complete font metadata in real-time with complete privacy.
Glyph Inspector — View Bezier Curves & Control Points
Click any glyph to view detailed bezier curves with on-curve and off-curve control points. Inspect path data, advance width, bearings, and technical glyph metrics. Perfect for font designers analyzing letterform construction.
Test OpenType Features: Ligatures, Kerning & Stylistic Sets
Toggle and preview OpenType features including ligatures, stylistic sets, small caps, tabular figures, and contextual alternates. Test kerning, discretionary ligatures, and advanced typographic features with interactive controls.
Unicode & Language Coverage Checker
Automatic detection of supported languages and writing systems based on Unicode character ranges. Test fonts with sample text across Latin, Cyrillic, Greek, Arabic, Hebrew, CJK, and more scripts.
Extract Font Metadata: Designer, License & Technical Specs
Extract comprehensive font data including family names, designer credits, copyright, license info, version numbers, PostScript names, units per em, ascender/descender values, and full technical specifications.
Color Font Viewer: COLR v0, COLR v1 & Bitmap Glyphs
View full-color glyphs from COLR v0 layered-palette fonts and COLR v1 gradient/paint-graph fonts, plus embedded bitmap formats like sbix, CBDT/CBLC, and EBDT/EBLC — the same color-emoji and multi-color technologies used in modern color fonts.
Compare Two Fonts Side by Side
Load a second font to compare glyphs, ligatures, OpenType features, language coverage, waterfalls, and live text samples between two fonts at once — with independent variable font axis controls for each.
Font File Analysis for Designers, Developers & Typographers
Type Designers
Inspect bezier curves, control points, and glyph construction with precision tools
Web Developers
Debug web fonts, verify OpenType features, and test language support for projects
Graphic Designers
Preview font features, test typography, and verify character coverage before use
What You Can Do With fontinfo.app
fontinfo.app is a free online TTF analyzer, OTF viewer, and WOFF inspector that lets you examine glyph shapes with a bezier curve viewer, check control points and path data, preview ligatures and kerning, test OpenType features, analyze Unicode coverage and language support, view color fonts (COLR v0, COLR v1, and bitmap glyph formats), and extract full font metadata — all without installing anything. Compare two fonts side by side across glyphs, ligatures, OpenType features, languages, and text samples. Use it as a Google Fonts analyzer by pasting any font URL directly into the tool, or scan any website to discover and inspect the fonts it uses.
No Upload Required — Font Analysis Runs Entirely in Your Browser
All font analysis and glyph inspection happens entirely client-side in your browser. Font files loaded from URLs are proxied only to bypass CORS restrictions and are never stored or logged. Your font files remain completely private and secure. Works offline as a Progressive Web App — use the install button in the toolbar to add Font Info to your device. Note that offline use applies to fonts loaded via direct file upload; the URL and Scan tabs require an internet connection.