Font License Checker & Font File Inspector

See What’s Inside Your Font Files

Simply drag and drop your OpenType or TrueType font files onto this website to see what’s inside them.

Supports TTF, OTF, WOFF, WOFF2, TTC, and DFONT formats
🔒100% browser-based. No files are ever uploaded to our server.

Private, in-browser inspection

Open a font and understand what is inside

Your file stays on this device. Inspect naming, supported characters, OpenType features, variable axes and real-world text before you use it.

  • No upload
  • TTF, OTF, WOFF, WOFF2
  • PNG preview export

Drop a font file here
or choose a file

Supported: TTF, OTF, WOFF and WOFF2 · Maximum 20 MB

Or You Can Also

COMPARE FONTS

Why Use Read Font File?

Complete Font Information

Instantly view all metadata, technical details, and design information contained in your font files.

Private & Secure

Your font files are processed entirely in your browser. They’re never uploaded to any server or stored anywhere.

Interactive Preview

Test your font with custom text, various sizes, and different preview modes to see how it looks in real-world use.

Character Map

Browse all glyphs included in your font with a visual character map.

Variable Font Support

Analyze and interact with variable font axes to see how they affect the font appearance.

No Installation

Use directly in your browser without installing any software.

GET IN TOUCH

How It Works

Upload Your Font

Drag and drop any TTF, OTF, WOFF, WOFF2, TTC, or DFONT file onto the uploader. Your font is processed entirely in your browser – no server uploads.

View Font Details

See comprehensive metadata like family name, version, designer, license, and technical specifications including units per em, ascenders, and descenders.

Test and Preview

Try out your font with different sample texts and sizes. See how it looks with the alphabet, paragraphs, or your own custom text.

Supported Font Formats

.ttfTrueType Font

The most common font format, originally developed by Apple and adopted by Microsoft.

.otfOpenType Font

An extension of TrueType format, developed jointly by Adobe and Microsoft.

.woffWeb Open Font Format

A compressed file format for use on websites, offering faster loading times.

.woff2Web Open Font Format 2

The successor to WOFF with improved compression and smaller file sizes.

.ttcTrueType Collection

A collection that can contain multiple TrueType fonts in a single file.

.dfontMac Data Fork Font

A Mac-specific font format where the resource fork is merged into the data fork.