Home : File Types : STL File (5 File Associations)

.STL File Extension

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File Type 1Stereolithography File

DeveloperN/A
Popularity
3.6 (13 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryCAD Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Design format used for stereolithography, a rapid prototyping technology used for producing three-dimensional parts; contains a 3D design used as a master model for creating numerous prototypes.

More Information

Stereolithography is an interchange file format. It is used to save CAD files in a standard format that can be read by multiple CAD applications.

Program(s) that open .STL files
Microsoft Windows LogoWindows
IMSI TurboCAD Deluxe 2015
GOM Inspect
ideaMK STL Viewer
Geomagic Explorer
Parametric Technology Creo
Dassault Systemes CATIA
Kubotek USA KeyCreator
MeshLab
Mac OS X LogoMac OS
IMSI TurboCAD Deluxe v8
Cheetah3D
MeshLab
GLC_Player
Linux LogoLinux
Parametric Technology Creo
Dassault Systemes CATIA
MeshLab
GLC_Player
Updated 12/6/2012

File Type 2SuperTux Level File

DeveloperSuperTux
Popularity
2.7 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryGame Files
FormatText

Text

This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

Definition

Game file used by SuperTux, a 2D jump and run side scrolling game similar to Super Mario Bros.; saved in a plain text format and specifies the features of a level, such as enemy unit locations, positions of blocks, and the time limit; also includes a reference to the music and background image for the level.

More Information

STL files are stored in the /data/levels/ directory of the installation.

Program(s) that open .STL files
Microsoft Windows LogoWindows
SuperTux
Mac OS X LogoMac OS
SuperTux
Linux LogoLinux
SuperTux
Updated 10/21/2011

File Type 3Fireworks Style Library

DeveloperAdobe Systems
Popularity
2.7 (3 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Library of styles referenced by Macromedia (now Adobe) Fireworks; may be used to apply Stroke, Fill, Effect, and Text attributes to an object within an open Fireworks project; can be helpful for creating a uniform look across multiple objects.

More Information

Some styles are included with Fireworks, though additional styles may be added to the program. To add extra styles, click the small icon in the top right corner of the Styles panel in Fireworks and select "Import Styles." Then browse to an STL file and click OK to add the style library to your current collection.

Program(s) that open .STL files
Microsoft Windows LogoWindows
Adobe Fireworks CC
Mac OS X LogoMac OS
Adobe Fireworks CC
Updated 5/2/2014

File Type 4Spruce Technologies Subtitle File

DeveloperSpruce Technologies
Popularity
2.5 (4 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryVideo Files
FormatText

Text

This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

Definition

Movie subtitles file used by video playback and authoring applications; stores the time each subtitle should be displayed; also specifies instructions for how to display subtitles; used for broadcasts, annotating video files, or for storing movie translations.

More Information

STL files contain commands, comments, and entries. Commands begin with the dollar sign ($) character and can specify fonts, colors, alignment, and other subtitle properties. Comments are delimited by "//" characters. Entries contain the actual subtitle timestamp and text. Here is an example entry:

00:00:11:13 , 00:00:11:42 , This is an example subtitle.

NOTE: STL subtitles are sometimes referred to as EBU subtitles, since the standard comes from the European Broadcasting Union (EBU).

Program(s) that open .STL files
Microsoft Windows LogoWindows
EZTitles
Avid Media Composer
Mac OS X LogoMac OS
Apple Final Cut Pro X
Apple DVD Studio Pro
Avid Media Composer
Updated 2/18/2014

File Type 5Certificate Trust List

DeveloperMicrosoft
Popularity
2.5 (4 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryWeb Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

List of predefined items that have been signed by a trusted entity; may consist of a list of filenames or a list of certificates; each item in the list has been approved by the signing entity.

More Information

Certificate trust lists (CTLs) are used by Microsoft IIS to store trusted websites and other addresses that require a secure connection.

Program(s) that open .STL files
Updated 6/7/2007