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JAEN

.otf

Use caution

OpenType Font

The successor font format co-developed by Adobe and Microsoft. A TrueType superset that can carry CFF (PostScript) outlines.

MIME types

  • font/otf
  • application/font-sfnt

Category

font

What opens this file

  • Font Book
  • Windows Fonts
  • FontForge
  • Glyphs

How to open by OS

Windows

  • Double-click to install.

Mac

  • Font Book.

Linux

  • `~/.local/share/fonts` + fc-cache.

Ios

  • Configuration Profile or font manager app.

Android

  • Device-dependent.

Safety notes

  • CFF table parsing has been the origin of several font-engine RCE CVEs historically.

Common mistakes

  • Serving OTF directly on the web is wasteful — ship WOFF2 instead.
  • Confusing CFF and CFF2 can break rendering in older viewers.

Related extensions

References