All about SFD Files

The SFD file type is primarily associated with FontForge.

SFD	File extension: SFD
	File type:	spline font database

What is an SFD file

SFD files mostly belong to FontForge by FontForge. SFD filename extension is associated with video files saved in Softdec format. The SFD video file is a standard MPEG-PS container consisting of an MPEG video stream and a CRI ADX ADPCM-encoded audio stream. These SFD video files are commonly used to as cutscenes and action sequences of video games built for Dreamcast, Xbox, Nintendo, and other console platforms. SFD filename extension is also used by font data files saved in Spline Font Database (SFD) format. Such SFD files contain font information such as the font name, font family, weight, copyright, and license data used to create and edit fonts within FontForge (font editing software). SFD files may also contain music notation data of songs scored using MagicScore Maestro. Such SFD files contain information about time signatures, music notes, composer, song title, key signatures etc. Crysis, a first-person shooter video game also saves game data in SFD files.

How to open an SFD file

You need a suitable software like FontForge to open an SFD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your SFD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SFD file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SFD File Viewer

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Online File Viewer

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How to convert SFD files to JPG, PDF, HTML, DOC, ...

If you want to convert or edit an SFD file, you can use our free Online SFD File Converter (powered by Convert.Guru):

Just click the "Choose your .sfd file to play" button on this page.
After your file is opened in browser,
click "Save as..." in the menu.
Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
Download the converted file.

Programs that open and convert SFD files:

FontForge by FontForge
See the previous paragraphs to learn more about the main application. SFD files are often referred to as FontForge fonts because this type of file is primarily created or used by this software.
MagicScore (music notation) by DG
MagicScore is a music composition program for scoring and transposing music. It may be used to write/edit sight-read musical notes, time signatures, key signatures etc. The musical notation of songs that are scored with MagicScore are stored in SFD files. This file format is classified as Data.
PDP-10 (sub file directory) by DEC
The PDP-10 was a mainframe computer manufactured in the 60s and discontinued in the early 90s. This family of computers used operating systems such as ITS, WAITS, and TENEX. Some sub file directory of PDP-10 mainframe computers were stored in SFD files. This file format is classified as Data. Related links: Wikipedia PDP-10 Page
Powerhouse (dictionary) by Unicom
Powerhouse is a byte-compiled programming language originally used to develop applications for classic computers. The central subfile data-dictionary used by Powerhouse is stored in an SFD file. This file format is classified as Developer.
SoundStage (sound) by Ashampoo
SoundStage is a media software for simulating an actual sound stage. It captures audio signals from a user's PC and processes the output to simulate an actual surround system. Sound files created by SoundStage are stored in SFD files. This file format is classified as Audio.
VLC (video) by VideoLAN
VLC is an open-source, cross-platform multimedia player with advanced tools for streaming and file conversion. VLC supports most video, audio, animation, and image formats such as SFD videos extracted from video games. This file format is classified as Video. Related links: Sofedec

SFD file extension format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. So you need a detailed analysis of a file to find out the format and the associated program. Our evaluation of the SFD files looks like this:

The SFD extension is very commonly used. This SFD file itself is among the most popular common file types and is mainly used by one program with a specific format. The two most common formats are as follows:

65% of all SFD files are Sofdec video files. The contents of these files cannot be read by a human; only a computer program can interpret the data. SFD files can be up to 990 MB in size, but are often around 940 KB - 95 MB. The file type is very old but is also used today. Files like these have the following tags: opening, logo, title, topbg, demo, menu, adaend, tutorial, attract, trailer, teaser, anniv and woman.
15% of all SFD files are Spline Font Database files. The contents of these files can even be read by a human. Most of these files are 44 KB to 7 MB in size. The files contain the following words: FamilyName, FontName, FullName, Weight, SplineFontDB: 3.0, Version, SplineFontDB: 3.2, Copyright: Copyright and Regular. The file name cwTeXQFangsong-Medium.sfd is characteristic of these files. Such files sometimes refer to regular, primaria, corsivo and bold.

All other SFD files (20%) have no consistent format, often, for example, ZIP and CRID. They are often associated with kcal, smcconfiguration, credits, ending, intro, light, nbwgk, start, story or sans. If you want to find out what your SFD file contains, drag and drop it onto this page.

Technical Data for SFD File Extension

File classification:

Font

Related files:

sdf, afs, spline, adx, sfb, sfd%3f%3f, exe, zip, otf, ttf, irx, ark, fsd, mp4, aix, one, img, csb, pyd, bnk, woff2, woff, pfa

Mime type:

text/plain, application/octet-stream

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: SFD.Document
EXEFile: %ProgramFiles%\Selteco\FLASHD~1\sfld.exe /dde

ProgramID: SuperGOOFusionLibDir
EXEFile: %ProgramFiles%\SuperGOO\SuperGoo.exe

an sfd spline font database is a special file format by FontForge and should only be edited and saved with the appropriate software.

How to solve problems with SFD files

Associate the SFD file extension with the correct application.
Update your software that should actually open spline font databases. Because only the current version supports the latest SFD file format. Search, therefore, e.g. on the FontForge manufacturer website after an available FontForge update.
To make sure that your SFD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .SFD file online - secure, fast, and no downloads needed.