An spef file extension is associated with the Standard Parasitic Exchange Format.

Detailed description

Software that works with spef file extension

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SPEF file extension - Standard Parasitic Exchange Format

What is spef file? How to open spef files?

File type specification:

Various data file type icon Various data file type

The spef file extension is related to the Standard Parasitic Exchange Format (SPEF).

SPEF is an IEEE standard for representing parasitic data of wires in a chip in ASCII format.

The default software associated to spef file type:

Sublime Text icon

Sublime Text  Microsoft Windows software

Company or developer:
  Sublime HQ Pty Ltd

Sublime Text is advanced text editor used to write source codes in various programming languages. It is a great tool for programmers and offers great feature and performance. It is available for Microsoft Windows, Mac OS X and Linux operating systems.

Help how to open SPEF files:

SPEF is stored in simple text format and viewable in any text editor.

How to convert file with extension SPEF:

As far as we know, this .spef file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .spef file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open spef file, edit spef file, convert spef file, view spef file, play spef file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the spef files.

  • Open spef file
  • Save spef file
  • Edit spef file
  • Import spef file

Software that open spef file - Standard Parasitic Exchange Format

Click on the link to get more information about listed programs for open spef file action.

Microsoft Windows:

Main software associated with spef file by default:
Sublime Text small icon Sublime Text
Other suggested software:
Atom small icon Atom
NotePad++ text editor small icon NotePad++ text editor
PSPad small icon PSPad

Apple macOS / Mac OS X:

Previous file extension
SPECCY file extension > Various data file types

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file extension SPF


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