OTF, OpenType Font (.otf)

The OTF Misc file format

The OTF file is most commonly associated with computer fonts. It was developed by both Adobe and Microsoft and has been introduced to Mac OS X and Windows 2000. This OpenType Font format is similar to the TTF (TrueType Font) format. What sets the OTF format apart from other font file formats is that it is scalable.

Technical details of OTF files

Similar to TrueType Font files, the OTF format also contains aspects of the equaly popular PostScript format, creating a single file that combines aspects of both. OTF files have several major advantages. They are fully scalable and can thus be resized without any loss in quality. Furthermore, they contain a new line and typographic layouts with the already known technology of TrueType and PostScript.

More information about the OTF file format

File extension .otf
File category Misc
Example file Download example.otf file (2.91 KiB)
Associated programs AMP Font Viewer (Windows)
Apple Font Book (MAC)
FontForge (Windows, MAC & Linux)
Microsoft Windows Font Viewer (Windows)
Useful links More Information About OTF
Developer Adobe & Microsoft
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