2011-06-14 08:21:46

Basic information about font files and how to open font files

About font files

Font file type can be defined as a set of characters, symbols or glyphs.

Fonts can be divided in three basic types: bitmap fonts, outline fonts and stroke fonts.

Bitmap fonts (raster fonts) consist of a series of dots or pixels representing the image of each glyph in each face and size. Bitmap fonts are faster and easier to use in computer code, but inflexible, and do require separate font for each size.

Outline fonts (vector fonts) use Bézier curves, drawing instructions and mathematical formulas to describe each glyph, which make the character outlines scalable to any size.

Stroke fonts use a series of specified lines and additional information to define the profile, or size and shape of the line in a specific face, which together describe the appearance of the glyph.

The most used font file formats are:

Adobe Type 1 (PFB file extension) and Type 3 fonts developed by Adobe for professional digital typesetting and desktop publishing. Type 1 and Type 3 fonts are outline fonts (vector fonts), which are using PostScript and cubic Bezier curves.

TrueType font (TTF file extension) is file format created by Apple, Inc as competition for Adobe Type 1 fonts. TrueType font is described by quadratic Bezier curves. It is a very popular font format, that is supported by many operating systems (Microsoft Windows, MAC OS X, Linux).

OpenType (OTF file extension) is a current standard font file format supported by modern operating systems that was designed by Microsoft and Adobe. OpentType fonts are based on Adobe Type 1 font and contain wide range of metadata and international/foreign character sets.

You can check all font file formats sorted by name in our Font file type category, that you can access from the main page on the left category bar.

How to open font files

Font files are usually imported directly to operating system, so various applications (like Microsoft Office) can access and use them. Also some specialized programs, called font managers can help users to view, sort or perform other tasks with fonts.

Simply check our database for the font file extension you are looking for and in the table below its description you will see a table with software, sorted by platform and actions, that is able to perform a specific action with the font files, such as open, view, etc..

Example of font software table of recommended applications, sorted by platforms and by actions they are able to perform.

You can also click on each software to open its own web entry on our website, that often contains additional useful information about it, such as developer, website, reviews or other useful articles.

How to open unknown font files

More information can also be found in our how to identify unknown file formats article.

Other Related articles:

Following articles in our database share the subject:

How to install new fonts in various versions of Windows

How to install new fonts in Mac OS X

How to install new fonts in Linux

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