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JS1 file extension

The table below provides useful information about the .js1 file extension. It answers questions such as:

  • What is the .js1 file?
  • What program do I need to open a .js1 file?
  • How can the .js1 file be opened, edited or printed?
  • How can I convert .js1 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Unity Javascript

JS1 file is a Unity Javascript. Unity is a development engine for the creation of 2D and 3D games and interactive content.
JS1 format description not yet available
Application: Unity
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JS1 aliases:
JS1 related links:
JS1 related extensions:
Unity Web Player File

Unity v4 Whirld Package

Unity 3D Scene

Unity Package File

Unity Whirld Package

Unity Asset

Unity 3D Model Archive

Unity Prefab

Unity Custom Shader Include

Unity WebGL Extension

Other types of files may also use the .js1 file extension.

🚫 The .js1 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

is1, jc1, js, jsl, jsw, ms1, ns1, s1, sj1

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

JavaScript Style Sheet
Synergy/DE Data Index
Crux MS/MS Data
NetStumbler NS1 Log
Freescale S-record File
Sega SJ-1 DIGIO Camera Image
Visual J# Project
SmartWare Input-Screen File
JMP Scripting Language File

🔴 Can't open a .js1 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .js1 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .js1 file extension, write to us!

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